Which animal has a one-way digestive system?

A. Earthworms

B. Planarian

C. Sponge

D. Jellyfish

Country x has a crude birth rate of 40 and a crude death rate of 15, while country y has a crude birth rate of 20 and a crude death rate of 9. which country has a higher natural increase rate?

While conducting experiments on pea plants, Mendel observed that the combination of traits in the offspring did not match up with the parents. How did Mendel explain this?

How does competition affect an athletes mindset

Describe how draping is completed for a procedure that enters the ocular orbit

The larva of a frog is a tadpole. true or false

How does light intensity affect oxygen production?

Which organism would be classified as an echinoderm?

Hank has a very detailed model of the solar system where each planet is made out of granite rock. Since his little sister really liked the model, he spent two weeks in his dad's workshop building her a Styrofoam copy.

Match each theory with the correct description 1 big bang theory 2. inflation theory There was no initial explosion. The universe has always been and continues to be as it is now.

How are all living thing made of cells