Like this study set? Create a free account to save it.

Sign up for an account

Already have a Quizlet account? .

Create an account

The part of the egg that nourishes the embryo is the


A lamprey is a kind of

jawless fish

Vertebrates are a subgroup of the phylum of


The structure that helps fish stabilize at different depths is the

swim bladder

Fossils are found most frequently in a kind of rock called

sedimentary rock

Which of the following is NOT an ectotherm?


One animal that cares for its newly hatched young is a(n)


An animal whose body temperature changes depending on the temperature of the environment is called a(n)


Fossils found in higher layers of rock are usually

younger than fossils found in lower layers

The name amphibian refers to an amphibian's ability to

live on both water and land

Please allow access to your computer’s microphone to use Voice Recording.

Having trouble? Click here for help.

We can’t access your microphone!

Click the icon above to update your browser permissions and try again


Reload the page to try again!


Press Cmd-0 to reset your zoom

Press Ctrl-0 to reset your zoom

It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.

Please upgrade Flash or install Chrome
to use Voice Recording.

For more help, see our troubleshooting page.

Your microphone is muted

For help fixing this issue, see this FAQ.

Star this term

You can study starred terms together

Voice Recording