How does a dinosaur become a fossil. Please at least 3 sentences.

Answer:

To show you how dinosaurs became fossils, here is a normal fossilization: The dinosaur dies and is washed away in a flood. The body is buried in sediment (mud or sand) and eventually the body is covered. The soft parts of the body are destroyed leaving only bones.

Explanation:

Which of these organisms is not a chordate?
earthworm
snake
sea squirt
human

Help me!!!!!!!!! Which situations would involve classification? Select three options. performing an analysis of an individual’s blood identifying which group of cats a new species belongs in analyzing the relatedness of whales and dolphins determining the name of a new species of pine tree creating a family tree to look for a pattern of a disease

How can a chemical reaction be sped up?

Select from the drop-down menu to correctly complete the statement.
Increase the
to allow the reaction to happen with more energy.

help me pls (no links or get banned)

Can someone please help me on this question?

The model below represents water.

~insert picture~

Based on the labels, what is the best description of this model?

A. X and Y represent molecules; Z represents an atom of water

B. X represents a molecule; Y represents a particle; Z represents an atom of water

C. X represents an atom; Y represents a molecule; Z represents a particle of water

D. X and Y represent atoms; Z represents a molecule of water

A scientist put red blood cells in water that contained salt. Over time, the red blood cells burst. What is most likely true?

a The concentration of water inside the cell was greater than in the salt water.
b There was a higher concentration of salt in the water than in the cells.
c There was a lower concentration of salt in the water than in the cells.
d The concentration of water in the cells and salt water were equal.

How is the amount of sunlight absorbed by earth's surface and the amount of energy released by earth kept in balance?

Help with True or False Cell Facts:

______ 1. All living organisms are made of cells.

______ 2. Most organisms have specialized cells that perform different functions.

______ 3. Most organisms have many types of cells.

______ 4. Most cells are easy to observe.

______ 5. Cells come in various shapes and sizes depending upon their function.

______ 6. Some organisms consist of a single cell.

______ 7. All organisms have organs and/or body systems.

______ 8. Cells combine to form organ systems, organ systems combine to form tissue, and tissues combine to form organs.

Based on these images, what can you say about the tentacles of an octopus and the limbs of a lizard?

Which examples of artificial selection are caused by human activity without people even realizing it?

PLZ PLZ PLZ HELP! I HAVE TO FINISH THIS IN 10 MINUTES!!

what is a single celled organism able to do?
grow to large sizes, make tissues, survive on it's own, differentiate

which statement gives an advantage to single celled organisms?
it can tolerate all enviromental conditions, it can reproduce quickly, it does not have to maintain its structure, it can become very large

which structure could be found in a single celled organism?:
outer covering, large brain, legs and feet, internal organs.

which organisms can cause contagious diseases?
multicellular organisms, microorganisms

Please help me this is due in 10 minutes! i had it all done and was about to submit but then my sibling came along and deleted it while I got a drink!

can you guys help me possibly? thanks!!!

Which of the following does the endocrine system regulate?

Hormones
Reflexes
Respiration
Senses

How many nucleotides make up one rung of DNA?

How did the Industrial Revolution contribute to global climate change?
A. It led to an increased use of alternative fuels other than fossil fuels.
B. It led to an increased use of coal, oil, and other fossil fuels.
C. It led to the release of chemicals that destroyed the ozone layer.
D. It led to the development of nonrenewable sources of energy. (I think it's B. Please correct me if I'm wrong.)

For each of the genotype (AA, Aa, aa) determine what the phenotype would be?

Pls help test tmrw….

Science:
How heavy is a 2 ton truck in space? Please explain

1.) The scientific name always consists of two words:

Group of answer choices

Genus and species

Family and species

Species and kindom

Domain and species

2.) Puma concolor is the scientific name for an American Mountain Lion, what is the species?



Group of answer choices

Puma

concolor

mountain lion

American mountain Lion

The theory of evolution has changed over time. Initially, Lamarck believed that organisms developed traits in response to a changing environment to improve their chances of survival. Later Darwin proposed that organisms that already possessed traits suitable to a changing environment were more likely to survive and reproduce.

Which of the following does not explain why the theory of evolution has changed?

A. Lamarck’s theory was discarded when new scientific information became available.

B. Darwin collected empirical evidence to support that organisms with favorable traits survived and reproduced.

C. The theory of evolution became a scientific law after much debate and confirmation in the scientific community.

D. Other scientists such as Peter and Rosemary Grant have collected additional empirical evidence that supports Darwin’s findings.

PLEASE IS SCIENCE 8th GRADE

The heart contracts twice for every heartbeat one contraction is the atrial contraction while the other is the venture true or false

What is the driving force of the deepwater ocean conveyor belt?

Beavers, large members of the rodent family in North America, are often referred to as “ecosystem/keystone engineers” by wildlife managers. Ecosystem engineers are described as animals that create, alter, or destroy a habitat. Beavers contribute to river ecosystems by bringing down old and dead trees along riverbanks. They use these trees to make their dams. Although these dams are primarily used for protection and food storage, scientists report that these dams change the surrounding environment in different ways.


Given this information, in three to five sentences, describe a potential benefit that beavers contribute to the ecosystem as keystone engineers and describe a plausible impact that the removal of beavers could have on the surrounding ecosystem.

A scientist wants to know how the distance from a nearby lake affects the amount of nitrogen found in the soil. She collects soil samples at various distances from the lake and measures the amount of nitrogen in the sample What is the manipulated variable in this experiment?
A. The distance from the lake
B. The size of the lake
C. The total number of samples
D. The amount of nitrogen in each sample

How Natural Selection change in a population overtime? With white/speckled moths and black moths.

HeLp mE I nEeD hElP
Project: Comparing Asexual and Sexual Reproduction
Branily

carbon and oxygen atoms can combine to form the gas called carbon dioxide.

Check all locations where a pulse can be taken.

carotid

brachial

radial

femoral

popliteal

dorsalis pedis

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

A natural disaster caused a population of 4,695 organisms to migrate to a new habitat. A few generations after the disaster, it was observed that the new habitat did not support the survival of the species. The table shows the population of the species in the two habitats.