Elizabeth is digging a hole and discovers a trilobite. She continues digging deeper and finds another trilobite.
Which of the following is an accurate conclusion?
The second trilobite is older than the first trilobite.
The first trilobite is older than the second trilobite.
The first trilobite is smaller than the second trilobite.
The second trilobite is smaller than the second trilobite.
Answers
Related Questions
Quite confused can anyone help?
Answers
Answer: A dichotomous key is an important scientific tool, used to identify different organisms, based the organism's observable traits
Explanation:
Write a description or a reason why you are doing this activities of conserving our natural resources.
1. Using a glass when brushing teeth -
2. Hanging clothes -
3. Walking -
4. Feeding the stray animals -
5. Using back page of paper -
6. Using fan -
7. Watering the plants -
8. Sweeping -
Answers
1. Using a glass when brushing teeth: By using a glass instead of leaving the tap running while brushing our teeth, we can conserve water. Freshwater is a finite resource, and reducing unnecessary water usage is essential for preserving our water supplies and ensuring their availability for both humans and the natural environment.
2. Hanging clothes: Opting to hang clothes to dry instead of using a dryer not only saves energy but also reduces greenhouse gas emissions. Clothes dryers consume a significant amount of electricity, and by utilizing natural methods like hanging clothes, we can contribute to reducing our energy consumption and lowering our carbon footprint.
3. Walking: Walking instead of using vehicles for short-distance travel offers multiple benefits. Firstly, it helps reduce air pollution by decreasing the emission of harmful gases from vehicles. Secondly, walking promotes personal health and well-being, as it is a form of physical exercise. Lastly, choosing to walk reduces traffic congestion and saves fuel.
4. Feeding stray animals: Feeding stray animals is an act of compassion and kindness. By providing food for stray animals, we help prevent their starvation and promote their overall welfare. It also reduces their need to hunt for food in natural habitats, preserving the delicate balance of local ecosystems.
5. Using the back page of paper: Utilizing both sides of a piece of paper helps reduce paper waste and conserves valuable forest resources. Paper production involves cutting down trees, and by maximizing the use of each sheet, we minimize the number of trees required to produce paper products.
6. Using a fan: Using a fan instead of an air conditioner helps reduce energy consumption and lowers greenhouse gas emissions. Air conditioners consume a significant amount of electricity, and by using fans to circulate air and provide cooling, we can contribute to conserving energy resources and mitigating the impact of climate change.
7. Watering the plants: Watering plants is essential for their growth and well-being. By providing them with adequate water, we support their ability to photosynthesize, produce oxygen, and contribute to a healthy ecosystem. Additionally, practicing responsible watering techniques, such as using watering cans instead of hoses, helps conserve water resources.
8. Sweeping: Sweeping instead of using a leaf blower or a hose to clean outdoor spaces reduces energy and water consumption. Leaf blowers and hoses consume significant amounts of electricity and water, respectively. Sweeping not only saves resources but also minimizes noise pollution and prevents soil erosion caused by high-pressure water flow.
Engaging in these activities of conserving natural resources demonstrates our commitment to environmental stewardship and sustainable living. By making conscious choices in our daily lives, we can contribute to the preservation and protection of the Earth's ecosystems for the benefit of current and future generations.
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If SpongeBob planted 100 seeds from the cross, how many should he expect to have each color?
Purple flowers- ?
Blue flowers- ?
Red flowers- ?
Answers
Answer:
33
Explanation:
Answer:
33.3 seeds
Explanation:
You have 100 seeds right? And 3 colors of flowers. All you need to do is divide how many seeds you have by how many colors. The answer would be 33.3 seeds. If this doesn't help, that's Okay! Just ask your teacher, mom or dad for help (I learned the hard way!)
Friction always acts in a direction _____to the direction of motion.
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Match the terms to their definition. 1. fertile able to reproduce 2. hybrid offspring of organisms of two different species 3. speciation creation of a new species through evolution 4. sterile unable to reproduce
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2 hybrid offspring
3 speciation
4 sterile
a)Explain how normal rainfall is slightly acidic.
b)Name two greenhouse gases
c)Give 3 sources of acid rain
d)State and explain the process of making acid rain
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b) carbon dioxide, methane
What is an Ornithologist? (Someone who studies __)
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Answer: An orthodontist is a type of dentist with additional training in correcting misaligned teeth, bite issues, and jaw irregularities. In other words, those in this profession, like our Grand Rapids orthodontists, are responsible for helping children, teens, and adults achieve their best smile.
A microscope has 10x low power objective and a 60x high power objective. If the low power field of view measure 2.4 mm, and 20 microorganisms could gross the diameter of the high power field of view, what is the diameter of each organism in micrometers?
Answers
Answer:
2.87
Explanation:
10x (10*7)
20x/7
2.87
16. Eric pours some iced tea into a glass. When he puts the iced tea in the glass, the energy of the glass decreases. What must be true of the energy of the iced tea?
a Its energy stays the same while the energy of the glass decreases. b Its energy decreases while the energy of the glass decreases.
c Its energy increases while the energy of the glass decreases.
d It is impossible to know without data on the number of molecules in each object.
Answers
Answer:
the answer is c
Explanation:
the answer c because the ice is getting warmer so the glass is also getting warmer. meaning that the glass is decreaseing in energy while the ice tea is increasing in energy.
Although male and female reproductive structures differ from one another in many ways, they carry out some of the same functions. Which of the following is a main function of both male and female reproductive systems?
Answers
Answer:
I think it's D.
Explanation:
A biome is determined by ______, _____, and _____
climate, latitude, weather
plants, precipitation, seasons
climate, latitude, elevation
evaporation, temperature, animals
and
Answers
Answer:a is the answer
Explanation:
What is a genetic mutation?
will give brainliest
Answers
Answer:
Acquired (or somatic) mutations occur at some time during a person's life and are present only in certain cells, not in every cell in the body. These changes can be caused by environmental factors such as ultraviolet radiation from the sun, or can occur if an error is made as DNA copies itself during cell division
Explanation:
hope it helps you
Use your model to explain how one of these metamorphic rocks: gneiss, marble, or quartzite could become igneous or sedimentary rock and how that rock could become a third type of rock.
my model: I could add to my model if it is needed in the answer.
Answers
Answer:
If the newly formed metamorphic rock continues to heat, it can eventually melt and become molten (magma). When the molten rock cools it forms an igneous rock. Metamorphic rocks can form from either sedimentary or igneous rocks.
Explanation:
The freshly created metamorphic rock may ultimately melt and become molten if it is heated further (magma). A rock called an igneous rock is created when molten rock cools. Sedimentary or igneous rocks can develop into metamorphic rocks.
What are Igneous and Metamorphic rocks?To alter shape is to undergo metamorphism. It refers to alterations in rocks (protoliths) in the solid state, as understood by geologists (i.e. not by melting the rock wholesale). Metamorphosis may be compared to cooking. Changes take occurred when ingredients are combined and put at a different temperature (or pressure).
The thermal energy that propels metamorphism comes from a variety of sources. It goes without saying that the contact zone will become quite hot when an igneous mass with a temperature of 1200 degrees C intrudes into an unprepared host rock. Contact metamorphism, a rock-baking process, results from this.
Due to the heat generated by volcanic activity along the mid-ocean ridges, hydrothermal metamorphism takes place there. Anywhere contact metamorphism takes place, intrusion of igneous rocks is the driving force. Both of these types undergo metamorphism at low pressures and high temperatures.
Therefore, igneous rock is created when molten rock cools. Sedimentary or igneous rocks can develop into metamorphic rocks.
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You just ate a salad. Describe how the components of the salad stored
chemical energy and how you will release that energy in your cells. Give as
much detail as possible! *
Ok
Answers
Answer:
We measure the energy stored in the chemical bonds in food in
Explanation:
Answer:
Cellular respiration is the process by which the chemical energy of "food" ... Carbohydrates, fats, and proteins can all be used as fuels in cellular ... When acetyl-CoA is oxidized to carbon dioxide in the Krebs cycle, chemical energy is released ... Plants use my CO2 I breath out and I use the O2 that plants give off
Explanation:
50 POINTS!
Energy is transferred into the ecosystem when
1.when bacteria absorbs nitrogen from other organisms
2. dead organisms decay and form organic matter
3. rodent prey on invertebrates
4.plants grow from the soil
Answers
Answer:
2
Explanation:
Energy is transferred between organisms in food webs from producers to consumers.
The energy is used by organisms to carry out complex tasks. The vast majority of energy that exists in food webs originates from the sun and is converted (transformed) into chemical energy by the process of photosynthesis in plants.
Answer: between organisms in food webs from producers to consumers.
Explanation:
A student wants to find out if the amount of bleach has an effect on stain removal.
He plans to use two white shirts, stain each of them with mustard, and then wash each of them using bleach. He can change the size of the stain on the shirt and the amount of bleach he adds to the water.
Which test should the student set up?
Answers
Answer:
The second option.
Explanation:
We're trying to test the amount of bleach that has an effect on the stain so that is the altered variable.
The 2nd option uses different amounts of bleach to clean the same amount of stain.
If you choose the other options, people can argue that the bigger stain would be harder to clean with one cup of bleach, whereas the small stain gets two cups or the other way around.
It's not an effective way to see if the amount of bleach has an effect on stain removal.
Science - The Hydrosphere
"What is salinity and how is it measured? What is the average salinity of ocean water?"
Answers
Salinity is measured by how much sodium chlorine found in 1,000 grams of water
3.5% of the ocean is salinity
Identify the choice that best completes the statement or answers the question.
Sunlight shines through the greenhouse windows all day. Even on cloudy days, a lot of light penetrates the clouds and passes through the glass. Which of these statements describes what happens to that energy?
A. The energy that is not used by the plants for growth is destroyed.
B. The energy not absorbed by the soil is destroyed or reflected back out of the greenhouse.
C. The energy is lost through conduction and convection processes.
D. The energy remains, is reflected away, or is changed into different forms of energy.
Answers
Answer:
the answer is d. the energy remains, is reflected away, or is changed into different forms of energy
Explanation:
energy cannot be created nor destroyed
many species of animals carry an allele for albinism (lack of pigmentation). Albinos are usually pale or white in color. explain why the allele for albinism is present at la lower frequency than the allele for having pigments. what conditions would be necessary for the albino allele to be more frequent?
Answers
Answer: breeding an albino with an albino and let the babies lose and repeat
Explanation:
The allele for albinism is present at a lower frequency because it is not adaptive for most of the environments where humans live.
What is an allele?An allele is a gene variant that confers a certain fitness to an individual depending on the environment where this organism lives.
Adaptive alleles are in high frequency because they confer an adaptive advantage.Non-adaptive alleles are present in low frequency because they do not confer an advantage.In conclusion, the allele for albinism is present at a lower frequency because it is not adaptive.
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Describe what a moraine is made of and explain how this glacial feature forms.
God bless and happy holidays! :)
Answers
Answer:
i dont even know
Explanation:
A patch of flowers was exposed to a harmful pesticide. Identify and explain which organelle(s) would be heavily involved in providing the plants’ cells with protection. ( PLS HELP URGENTLY!!)
Answers
Plant cells have a cell wall, a large central vacuole, and plastids such as chloroplasts. The cell wall is a rigid layer that is found outside the cell membrane and surrounds the cell, providing structural support and protection
Answer: Really Sayuri
Explanation:
Plastids, a sizable center vacuole, and a rigid cell wall are all features of plant cells. The cell wall offers skeletal defense and support. Water and nutrients can enter and exit cells thanks to pores in the cell membrane. When water penetrates the plant cell, the cell wall also stops the cell from bursting.
Cell Wall: this provides extra strength and support for the plant cell so it doesn't burst when gaining water by endosmosis.
Chloroplasts: this is where photosynthesis takes place.
Large permenant vacuole: this stores several pigments, ions, enzymes and organic and inorganic substances.
can some one help me?
Answers
Answer: in order
1. DNA condenses to form chromosomes
4. each pair of chromosomes line up in the middle of the cell
3. pairs of chromosomes separate
2. A nuclear membrane forms around chromosomes
Stage 1- Prophase
Stage 2- Metaphase
Stage 3- Anaphase
Stage 4- telophase
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Answer:
1. DNA condenses to form chromosomes
4. each pair of chromosomes line up in the middle of the cell
3. pairs of chromosomes separate
2. A nuclear membrane forms around chromosomes
Explanation:
Prophase IDuring prophase I, the chromosomes condense and become visible inside the nucleus. Because each chromosome was duplicated during the S phase that occurred just before prophase I, each now consists of two sister chromatids joined at the centromere. This arrangement means that each chromosome has the shape of an X.
Once this chromosomal condensation has occurred, the members of each chromosome pair (called homologous chromosomes, because they are similar in size and contain similar genes), align next to each other. At this point, the two chromosomes in each pair become tightly associated with each other along their lengths in a process called synapsis. Then, while the homologous chromosomes are tightly paired, the members of each pair trade adjacent bits of DNA in a process called crossing over, also known as recombination (Figure 1). This trading of genetic material creates unique chromosomes that contain new combinations of alleles.
At the end of prophase I, the nuclear membrane finally begins to break down. Outside the nucleus, the spindle grows out from centrosomes on each side of the cell. As in mitosis, the microtubules of the spindle are responsible for moving and arranging the chromosomes during division.
Metaphase IA schematic shows two pairs of homologous chromosomes arranged in a vertical formation in the middle of a cell. Two developing mitotic spindles flank the four chromosomes. Long fibers radiating from the mitotic spindles are attached to the centromere of each chromosome.
At the start of metaphase I, microtubules emerge from the spindle and attach to the kinetochore near the centromere of each chromosome. In particular, microtubules from one side of the spindle attach to one of the chromosomes in each homologous pair, while microtubules from the other side of the spindle attach to the other member of each pair. With the aid of these microtubules, the chromosome pairs then line up along the equator of the cell, termed the metaphase plate
Anaphase IA schematic shows each member in a pair of homologous chromosomes separating from its partner and migrating in opposite directions. White spindle fibers attached to the centromeres of each chromosome are responsible for the movement of the chromosomes to opposite poles of the cell.
During anaphase I, the microtubules disassemble and contract; this, in turn, separates the homologous chromosomes such that the two chromosomes in each pair are pulled toward opposite ends of the cell (Figure 3). This separation means that each of the daughter cells that results from meiosis I will have half the number of chromosomes of the original parent cell after interphase. Also, the sister chromatids in each chromosome still remain connected. As a result, each chromosome maintains its X-shaped structure.
Telophase IA schematic shows two overlapping, circular cells, each with a nucleus and two chromosomes. The cytoplasmic portions of the cells are light grey, and the nuclei are dark grey. The chromosomes in the left-hand cell are mostly green, but the lower regions of the right chromatids are orange. The chromosomes in the right-hand cell are mostly orange, but the lower regions of the left chromatids are green. Both cells have remnants of the mitotic spindle in the cytoplasm.
As the new chromosomes reach the spindle during telophase I, the cytoplasm organizes itself and divides in two. There are now two cells, and each cell contains half the number of chromosomes as the parent cell. In addition, the two daughter cells are not genetically identical to each other because of the recombination that occurred during prophase I
where did the name '' hamster'' probably come from?
A. The animal was discovered by a person named Hamm.
B. People thought the animals looked like little hams.
C. It comes from a word meaning ''tiny''.
D. It comes from a word meaning ''to hoard''.
Answers
Answer:European Hamster
Smallest breed
Roborovski hamster
Stout-bodied rodents,
with tails shorter than body length, and have small, furry ears, short, stocky legs, and wide feet.
en.wikipedia.org
Popular breed
Golden hamster
They carry food in their spacious cheek pouches to their underground storage chambers. When full, the cheeks can make their heads double, or even triple in size.
en.wikipedia.org
Explanation:
ONLY DO NUMBER 5 I CAN DO THE REST....If you help i will pass you the brainliest
Answers
Answer: You can compare Desert and rainforest
Explanation:
They are two very different ecosystems so it won;t be hard to compare them.
The simple graph shows the relationship between available resources and population size. What evidence does the graph provide? A. An increase in the amount of available resources causes a decrease in population size. B. A decrease in the amount of available resources causes a decrease in population size. C. An increase in the population size causes an increase in the amount of available resources. D. A decrease in the population size causes a decrease in the amount of available resources.
Answers
Answer:
b
Explanation:
Its right
Sorry if not correct
Why did the African Americans move north during the great migration?
COMPLETE SENTENCES PLEASE:)
Answers
Answer: Driven from their homes by unsatisfactory economic opportunities and harsh segregationist laws, many blacks headed north, where they took advantage of the need for industrial workers that arose during the First World War.
Explanation: .
Answer:
The primary factors for migration among southern African Americans were segregation, an increase in the spread of racist ideology, widespread lynching (nearly 3,500 African Americans were lynched between 1882 and 1968), and lack of social and economic opportunities in the South
A student made the following diagram to represent cellular respiration.
The title of the diagram is Cellular Respiration. An oval labeled Cell has five arrows around it. The arrow labeled Oxygen points towards the cell. The other four arrows labeled Glucose, Carbon dioxide, Water, and Energy point away from the cell.
Why is this diagram incorrect?
A)Water is not formed during this process.
B) Carbon dioxide is not formed during this process.
C)The arrow for oxygen should point in the opposite direction.
D)The arrow for glucose should point in the opposite direction.
Answers
Answer:
d) the arrow for glucose should point in the opposite direction.
Explanation:
carbon and oxygen atoms can combine to form the gas called carbon dioxide.
Answers
Answer:is true
Explanation:
Carbon dioxide is made up of one carbon atom and two oxygen atoms.
Look at the diagram of the rock cycle below.
Which part of the cycle is missing?
A.
sedimentation
B.
melting
C.
crystallization
D.
mineral integration
Answers
it’s melting
From the diagram of the rock cycle the missing part is ( B ) ; Melting
Magma is a hot liquid/semi-liquid rock that is usually formed under the earth due to high pressure and temperature present in the inner core of the earth. magma is obtained by the melting down of existing rocks ( Igneous, sedimentary and metamorphic rocks ) under high pressure and temperature in the earths core.
Magma is released to the earth surfaces during volcanoes therefore the missing term in the rock cycle is melting
Hence we can conclude that from the diagram of the rock cycle the missing part is Melting.
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For each of the genotype (AA, Aa, aa) determine what the phenotype would be?
Pls help test tmrw….