Freshwater clams produce 20 young in a breeding season; some freshwater jellyfish produce 500 young. Which animals do you think have internal fertilization? Why?

Pentane with molecular formula c5h12, exists in three isomeric forms. one shows linear carbon chains, another has one -ch3 groups present on the third carbon atom, and the third has two -ch3 groups present on the second carbon atom. what types of isomers are these? a. geometric isomers b. structural isomers c. halotropic isomers

How do the evolutionary chart and the video support the claim that all living things are made up of cells?

The polio virus can cause skeletal muscle paralysis by destroying neuron cell bodies. what area of the spinal cord is destroyed