Select all that apply. Which animals are invertebrates?

starfish

earthworms

tunicates

amphibians

lancelets

octopus

crab

grasshopper

In some conditions caused by mutations, it is beneficial for an individual to be a carrier of the disorder, and not have the full homozygous condition. This is known as fitness. sickle cell trait. heterozygote advantage. homozygote advantage.

A water molecule is formed from 1 oxygen atom and 1 hydrogen atom.

Match each product of pyruvate metabolism with the condition under which it is produced.

Which are characteristics of cephalopods? Check all that apply. A) open circulatory system B) complex nervous system C) swim by jet propulsion D) two shells connected by a hinge E) feet modified as tentacles

Which of the following is not an example of a unique adaptation that suits an organism to a particular environment? A. The blood of all human is red based on its organic chemistry. B.

Which property allows objects that do not produce their own light to be seen

What is an example of recombinant dna technology?

How many chromosomes do humans with down syndrome have?

Which trophic level has the least amount of energy available for the next highest trophic level? a. secondary consumerb. omnivorec. decomposerd. producer

What is an acquired trait?