One major difference between acquired traits and entirely genetic traits is that acquired traits___.

A) must be a result of a mutation
B) cannot be passed on to offspring
C) are only behavioral, never physical
D) do not affect an organism's characteristics

Animal bodies (and even plant bodies for that matter) are complex enough that life couldn't exist without enzymes. enzymes are usually large, complex biological catalysts that are expensive to make. enzymes speed up the rate of chemical reactions without being used up during the reaction (they can be reused many times). they are highly specific in the reactions they regulate. knowing what enzymes are and how they function, why does this explain why complex life forms could not exist if there were no enzymes.

The science for classifying and naming organisms is known as

Describe your dna model. which part do the straws represent? the pushpins? the paper clips and the black dots you made with the marker?