Sea stars, sea urchins, sand dollars, and brittle stars are all members of the same group.

What is the common name of the group to which they all belong?

1 annelids 2echinoderms 3arthropods 4cnidarians

What happens to the electrons in chlorophyll when they are exposed to uv light?

Brown tree snake is used as an example of?

What are fossils? the remains or traces of an organism preserved from the geologic past objects that people of long ago left behind as artifacts to preserve a record living creatures with habitats in or around the rock the very oldest layers of rock

In the trp operon, attenuation occurs through the recognition of two tryptophan codons in the leader sequence. what would happen if these two codons were mutated to stop codons? a. this operon will be insensitive to attenuation by tryptophan. b.

What is the action of using something again?

How have human activities affected the phosphorus cycle?

Many animals such as goats, deer, and cattle have horns or antlers. What purpose do these structures serve? Question 7 options: They are used for ornamentation and for attracting a mate.

Which of the following is not a characteristic shared by all chordates? fins hollow nerve chord pharyngeal pouches notochord

Alicia is not sure of the difference between a food web and a food chain. write a paragraph for alicia that explains the difference between a food web and food chain.

The distance north or south from the equator