BIOLOGY HIGH SCHOOL

An example of a relationship where one organism gains but the other is harmed would be ? A. A cow eating grass
B. A fish swimming upstream
C . A bird building in a tree

Answers

Answer 1
Answer:

Answer:

cow eating grass

Explanation:

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When we begin to get dehydrated, we usually get thirsty, which causes us to drink fluids. Is thirst part of a negative or a positive feedback system

A heterogeneous mixture is a

Answers

A heterogeneous mixture is a mixture in which the components of that mixture can be seen and taken apart easily. 

Example:- Chex mix is a brand of chips/snacks that its components can be easily seen apart. 

B. mixture in which its components retain their identity.

Which is an example of how ecosystems on earth affect each other

Answers

Answer:

deforestation of rain forest harms other ecosystems

Explanation:

Apex
an example is the food chain, if it becomes unbalanced than everything suffers

Over time, a tadpole changes into a frog. Has it evolved? No, because its genes are still the same.
No, because its body did not change enough.
Yes, because its structural form changed over time.
Yes, because its genes have changed.

Answers

Answer:

The correct answer would be "No because its genes are still the same".  

The process by which a tadpole changes into a frog is termed as metamorphosis, not evolution.

During this process, the physical transformation of an organism takes place through cell growth as well as cell differentiation.

No genetic transformation takes place and thus, no evolution takes place during this transformation.
No, because its genes are still the same. To evolvewould mean that the frog had one set of genes as a tadpole, then a different set as an adult. It just doesn't work that way. The genes are the same.

5. Limb bones within unrelated animals that have the same basic structures are considered A. embryological. B. analogous structures. C. homologous structures. D. vestigial structures.

Answers

Limb bones within unrelated animals that have the same basic structures are considered C. homologous structures.

Homologous structures is a example of an organ or bone in different animals.

Hope this helps :)

What was a common life form during the Cambrian period?

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At the beginning of the Cambrian Period, about 542 million years ago, there were sea creatures like hydras, jellyfish, sponges and seaweed living in the oceans, but only one-celled algae on land yet. Small arthropods like beetles were beginning to appear, and by 540 million years ago the first land plants evolved from the land algae. These plants were like modern moss.
hope it helped!

Help please last chance to get this right

Answers

Hello!
The answer is all of the above because desalination is used to remove salt from seawater. It uses nuclear power, and produces an abundance.
Hope this helps! 
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