Answer:
The answer is yeast and fungi are similar because they are both unicellular
if scientists found a fossil in the middle layer that was 2 million years old, would they think Earth was more or less than 2 million years
If scientists found a fossil in the middle layer that was 2 million years old, they would conclude that Earth is more than 2 million years old based on the presence of older rock layers and fossils in lower layers.
Fossils provide valuable evidence for dating the age of the Earth and its geological history.
The principle of superposition, a fundamental concept in geology, states that in undisturbed rock layers, the oldest rocks are found at the bottom, while the youngest rocks are found at the top.
By finding a 2 million-year-old fossil in the middle layer, scientists can infer that the lower layers, which were formed before the middle layer, are older than 2 million years. Additionally, the presence of upper layers, formed after the middle layer, would suggest that Earth's age exceeds 2 million years.
Scientists use various dating methods, including radiometric dating, to determine the age of rocks and fossils.
These techniques analyze the isotopic decay of certain elements present in the rocks or fossils to estimate their age.
Through these methods, scientists can establish a more accurate timeline of Earth's history, revealing an age far greater than the age of the specific fossil found in the middle layer.
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. When an object is in motion, its what
is changing?
The stimulus of a temperature change would NOT cause which of the following responses in a fish? Swimming to a different location Growing extra gills Change in activity level Change in eating habits
Answer:
Growing extra gills
Explanation:
That's impossible
Answer:
growing extra gills is the answer
More than 20 percent of the world’s plants are at risk for extinction. How can agriscience help to preserve them?
Agriscience can offer a wide range of solutions to help preserve endangered plant species and maintain the biodiversity of our planet.
What is Extinction?
Extinction is the complete disappearance or eradication of a species or group of organisms from the Earth. This can occur naturally or as a result of human activities such as habitat destruction, pollution, overhunting, and climate change. Extinction can have significant ecological, economic, and social impacts, including the loss of important ecosystem services, biodiversity, and cultural heritage. Conservation efforts, such as habitat restoration, captive breeding, and the implementation of protective laws and policies, can help prevent or mitigate extinction.
Agriscience can play a crucial role in preserving endangered plant species. One approach is through ex-situ conservation, which involves removing the endangered plants from their natural habitat and preserving them in a controlled environment, such as botanical gardens, seed banks, or tissue culture labs. By doing so, we can maintain genetic diversity, prevent the extinction of the species, and potentially reintroduce them back into their natural habitat.
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Do plants die becuase of too much sun or too much water??
Answer:
They can die from both
Explanation:
Plants need sun but too much sun can dehydrate or damage the plant. As if too water plants need air too breath so adding too much water can drown them
Answer:
Both
Explanation:
Plants harvest energy from the sun with the help of chlorophyll and carotenoid, two photon-capturing molecules. But if the plants are exposed to too much sun, these molecules absorb more energy than they can handle and generate reactive species of oxygen that can destroy the plant.
and
Roots growing in waterlogged soil may die because they cannot absorb the oxygen needed to function normally. The longer the air is cut off, the greater the root damage. The dying roots decay and cannot supply the plants with nutrients and water. Damage caused by over watering is frequently misdiagnosed as pest damage.
4. In what temperature range is amylase active?
Answer: 40 degrees c
Explanation:
it shows a spike so the most active.
which choice describes the flow of energy in a food chain?
a. grass - rabbit - wolf - sun
b. wolf - sun- grass- rabbit
c. sun- grass-rabbit-wolf
d. rabbit - wolf -sun - grass
Answer:
C.
Explanation:
c. sun- grass-rabbit-wolf
Answer:
C
Explanation:
sun- grass-rabbit-wolf
Sun makes grass grow, rabbits eat grass, and finally wolves eat rabbits.
What function is common to all types of connective tissue?
Answer:
Explanation:
The Major functions of connective tissue include: 1) binding and supporting, 2) protecting, 3) insulating, 4) storing reserve fuel, and 5) transporting substances within the body. Connective tissues can have various levels of vascularity.
I hope this helps and if not I'm truly sorry
The Major functions of connective tissue include: 1) binding and supporting, 2) protecting, 3) insulating, 4) storing reserve fuel, and 5) transporting substances within the body.
What is connective tissue?
All other types of tissues in the body are supported by connective tissue, which joins or divides them. Like all tissue types, it is made up of cells encased in a space of liquid known as the extracellular matrix (ECM).
In contrast to other forms, connective tissue's cells are loosely rather than densely packed within the ECM.
The three components of connective tissue are cells, ground substance and fibers. Ground substance and fibers make up the extracellular matrix (ECM).
The primary cell of connective tissue is the fibroblast. Its function is to produce and maintain the ECM of connective tissue. Besides fibroblasts, several other cell types are present.
Therefore, The Major functions of connective tissue include: 1) binding and supporting, 2) protecting, 3) insulating, 4) storing reserve fuel, and 5) transporting substances within the body.
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A single gene with two alleles control variation in haemoglobin type in sheep. There are three different phenotypes corresponding to genotypes S^AS^A S^AS^B and S^BS^B respectively in a flock of 175 sheep the frequency of allele S^A was found to be 0.6 and frequency of allele S^B WAS found to be 0.4
Populations in Hardy-Weinberg equilibrium express the same allelic and genotypic frequencies through generations. Number of individuals expressing each phenotype: 63 sheep S^AS^A, 84 sheep S^AS^B, 28 sheep S^BS^B.
What is Hardy-Weinberg equilibrium?The Hardy-Weinberg equilibrium theory states that allelic and genotypic frequencies in populations that is in equilibrium remain the same through generations. No evolutive forces are acting on these populations, so no evolution occurs.
Assuming a diallelic gene,
Allelic frequencies
The frequency of the dominant allele f(X) is pThe frequency of the recessive allele f(x) is qGenotypic frequencies
p² (Homozygous dominant genotypic frequency), 2pq (Heterozygous genotypic frequency), q² (Homozygous recessive genotypic frequency).The addition of the allelic frequencies equals 1
p + q = 1.
The sum of genotypic frequencies equals 1
p² + 2pq + q² = 1
In the exposed example,
Alleles Frequencies
S^A f(S^A) = p = 0.6S^B f(S^B) = p = 0.4Genotypes
S^AS^A ⇒ homozygousS^AS^B ⇒ heterozygousS^BS^B ⇒ homozygousWe need to get the number of animals expressing each genotype and phenotype. To do it, we just need to use allelic frequencies and calculate genotypic frequencies (p², 2pq, and q²), and then multiply these values by the total number of animals (N = 175).
Genotypic and Phenotypic frequencies
F(S^AS^A) = p² = 0.6² = 0.36
F(S^AS^B) = 2pq = 2 x 0.6 x 0.4 = 0.48
F(S^BS^B) = q² = 0.4² = 0.16
Number of individuals expressing each phenotype
S^AS^A ⇒ 0.36 x 175 = 63 individualsS^AS^B ⇒ 0.48 x 175 = 84 individualsS^BS^B ⇒ 0.16 x 175 = 28 individualsYou can learn more about the Hardy-Weinberg equilibrium at
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Complete question
A single gene with two alleles control variation in haemoglobin type in sheep. There are three different phenotypes corresponding to genotypes
S^AS^A S^AS^B and S^BS^BIn a flock of 175 sheep the frequency of allele S^A was found to be 0.6 and frequency of allele S^B WAS found to be 0.4.
Using the hardy weinberg equation calculate the number of sheep with each phenotypes in the flock show your working
The temperature of the planet is closely aligned to which type of greenhouse gas?A: methaneB: hydrogenC: carbon dioxideD: ozone
The current average temperature of Earth is 61 degrees Fahrenheit, or around 15 degrees Celsius. The greenhouse gas that affects the Earth's temperature is carbon dioxide. The increase of CO2 since the Industrial Revolution has contributed to the almost 1 degrees Celsius increase in the average temperature of the Earth.
ANSWER: C. Carbon dioxide
List down the female reproductive organs. Describe any three
of them in short.
Answer:
uterus , ovaries , fallopian tubes.
Explanation:
Which enzyme activate vitamin K in the liver and blocked by which drug?
Answer:
menadione
Explanation:
Vitamin K is a fat soluble vitamin that exists in two natural forms: phytonadione (K1: fye toe" na dye' one) which is derived from plant sources and menadione (K2: men" a dye’ one) which is derived from bacterial sources. Vitamin K is a cofactor in the photosynthetic electron-transport system in green plants, which are the major dietary source of vitamin K for humans. High levels of vitamin K1 are found in leafy green vegetables while vitamin K2 is found in meat, milk and butter. In humans, vitamin K is an essential cofactor in the gamma-carboxylation of glutamate residues of several clotting factors and anticoagulant proteins. Hope this helps!
are human nails exoskeleton
Answer:
no, the nails are not an exoskeleton
Explanation:
Humans don't have an exoskeleton. Invertebrates have an exoskeleton and vertebrates have an endoskeleton.
Hence, the nails are not exoskeleton, the nails are derivates of the skin. We don't need our nails to survive, but they do support the tips of our fingers and toes, protect them from injury, and help us pick up small objects
How are castor seeds dispersed
Answer:
seeds can be disperse by rodent and birds, on mud adhering to boot, on vehicle and machinery, and by flood water. It is also spread by an explosive mechanisms( on local level) when the capsule dries up and splits
Which evidence supports the importance of the ocean in the water cycle?
One of the evidence that supports the importance of the ocean in the water cycle is evaporation.
Water cycle explained.
The ocean plays a critical role in the water cycle, and there is a range of evidence to support this statement, including:
Evaporation: The ocean is the largest source of water vapor for the atmosphere. The sun's heat causes the ocean water to evaporate, and this water vapor is transported by the atmosphere to other parts of the world where it falls as precipitation. This process is a significant driver of the water cycle.Precipitation: The ocean is a primary source of precipitation, which falls as rain or snow on land. As water evaporates from the ocean and forms clouds, these clouds move over land, where they release the water as precipitation.Runoff: Water from the land ultimately flows back to the ocean through rivers and streams. The ocean absorbs this freshwater and helps to maintain the balance of saltwater and freshwater in the ocean.Climate regulation: The ocean plays a significant role in regulating the earth's climate. As a result of its vast size and high heat capacity, the ocean absorbs and stores a vast amount of heat energy from the sun. This heat is redistributed around the world through ocean currents, which help to regulate the earth's climate.In summary, the ocean is a critical component of the water cycle, and its role in the cycle is supported by numerous lines of evidence. Without the ocean, the water cycle would be greatly disrupted, with potentially catastrophic consequences for the earth's ecosystems and climate.
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Why do humans need more potent pesticides over time?
A. Because the target population soon develops a resistance to the chemical
B. Because pesticide salesmen need to make more money
C. Because plants begin to eat pesticides
D. Because the explosive growth of the human population places increased demands on current farmers
Answer:
A.
Explanation:
Pesticides are designed to kill a specific target population, such as insects or weeds. however, over time the target population begins to develop a resistance to the chemical, making the pesticide less effective. In order to combat this, farmers need to use more potent pesticides.
Which correctly lists three features of a rock's grains that determine its texture?
CO
color, pattern, size
O formation, color, shape
O pattern, color, formation
O shape, pattern, size
Answer:
shape, pattern, size i took the test
Explanation:
Answer:
shape pattern and size
Explanation:
Annelids
Characteristics
Annelids are the most advanced type of worms are known as
segmented worms. The segmented structure of annelids help them
move and survive predators. They can live in saltwater, freshwater,
and damp soil. Most of them are scavengers and burrow into soil or
sand.
What is a common feature of
ALL of Phylum Annelida?
A have a closed-circulatory system
B. scavenge for food
C. have a segmented body plan
D. contain anti-coagulant factors
A common feature of all Phylum Annelida is : C.) have a segmented body plan.
What features do annelids possess?The term "annelida" also refers to segmented worms. It is distinguished by having a segmented body plan, which is a characteristic shared by all individuals in this phylum. Because of their more complicated and flexible bodies due to this segmentation, they can move around and fend off predators.
Some of them may survive in a variety of habitats, including freshwater, saltwater, and moist soil. However, the majority of them are scavengers that burrow into the ground or sand. Other traits, including having a closed circulatory system or anti-coagulant substances, can differ between species.
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Which layers of sedimentary rock at Grand Staircase Escalante National Monument do you think are the oldest? Use evidence to support your claim.
The oldest layers of the sedimentary rock at Grand Staircase Escalante National Monument is the chocolate layer.
Chocolate layer of sedimentary rock at Grand Staircase Escalante National MonumentIt is the oldest layer because it was the first layer that was formed. It was formed between 200 to 225 million years ago. It was made up of kaibab limestone and served as bottom layer of the Grand staircase.
The Grand staircase is made up of five layers and they are listed from youngest to oldest below.
Pink Cliffs.Grey Cliffs.White Cliffs.Vermilion Cliffs.Chocolate Cliffs.The Grand staircase is made up of sedimentary rock and it is of different colorful layers.
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Label each process of sedimentary rock formation in the appropriate order.
Please help!!!!!!!!!!!!
Answer:
253.585 square inches
Explanation:
The figure can be decomposed into 2 rectangles and a quarter circle.
Area of the figure = area of rectangle 1 + area of rectangle 2 + area of ¼(circle)
✔️Area of rectangle 1 = Length × width
Length = 10 in
Width = 6 in
Area of rectangle 1 = 10*6 = 60 in²
✔️Area of rectangle 2 = Length × width
Length = 10 in
Width = 6 + 7 = 13 in
Area of rectangle 2 = 10*13 = 130 in²
✔️Area of ¼(circle) = ¼(πr²)
r = 9 in
π = 3.14
Area of ¼(circle) = ¼(3.14*9²) = 63.585 in²
✅Area of the figure = 60 + 130 + 63.585 = 253.585 square inches
In the dark forest, can a light moth change it's traits to become dark? Why or why not?
Answer:
No, because according to one of the article I found online, that said camouflage of the light moth no longer worked in the dark forest. But the dark moths live longer in a dark forest, so they had more time to breed.
Explanation:
11. A person who has rickets might need
more foods from which two groups?
What will you see if the Moon is fully within the penumbra of the Earth's shadow? Will it be a full moon or a orange full moon (lunar). I WILL GIVE BRAINLIEST.
Answer:
Full moon..............
Explanation:
Im not sure
What structures contains cells ??
Answer:
leaving the first fig all are components of cell
I need someone to do a essay for me the information about the essay is in the picture
Answer:
I'm sorry but you should do it on your own because if you don't you won't learn the way you should and plus that is cheating.
Which of the following is a function of the cell membrane
Explanation:
The cell membrane protects the inner parts...
Answer:
The plasma membrane, or the cell membrane, provides protection for a cell
following are the types of functions performed by proteins in the human body
Storage
Support
Regulation
Defence
Select the appropriate type of function of proteins for each of the given descriptions
Description Type of Function
1. Recognition of foreign molecules ????
2. Receptors of extracelluar signals ????
Answer:
1. Recognition of foreign molecules - Defense
2. Receptors of extracellular signals - Regulation
Explanation:
Transcription factors that bind to enhancers may be expected recruiting factors or which factors?
In addition to changing different chemical fingerprints on the DNA or chromatin (such as methylation, acetylation), transcription factors may also recruit other proteins to the site of binding.
These modifications may last long after the transcription factor itself has left the area. RNAPII, other enzymes, cell type-specific TFs, coregulators, chromatin modifiers, architectural proteins like Cohesin, Condensin, and CTCF, and other proteins bind to enhancers, which are composed of dense clusters of transcription factor binding sites (TFBS), as described below. Activators of transcription factors increase a gene's transcription. Transcriptional activity is suppressed. A gene can be turned on or off in particular body regions using sets of transcription factor binding sites known as enhancers and silencers.Enhancers are bound by activator proteins rather than the promoter region itself, where they act. As a result of their interactions with the mediator complex, polymerase II and other general transcription factors are attracted, which starts the transcription of the genes.
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Problem: Does eating breakfast help school performance? )
Hypothesis:
Independent variable
Dependent variable
Controlled variables
Answer:
Yes it does help
Explanation:
When a student has breakfast in the morning it helps their mind process things clearly. It makes your body more relaxed and not stressed so when a complicated problem comes to hand, they have a better chance at figuring it out.