According to darwin���s theory of natural selection, individuals who survive are the ones best adapted for their environment. their survival is due to the
a. choices made by plant and animal breeders.
b. lack of competition within the species.
c. possession of inherited adaptations that maximize fitness.
d. possession of adaptations developed through use.

Aboy with an extra x chromosome probably has which of the following syndromes?

The kind of fertilization found in the majority of aquatic animals is (internal or external) fertilization.

Imagine that certain laws of physics could be ignored and you were able to travel vast distances in moments. now imagine that you traveled to an earth-like planet located light-years away that is known to support life. think about what you’ve learned in this unit and make an argument for what you think would be the dominant type of life form on this planet. consider whether a notochord is required for an organism to manipulate its environment and become a dominant creature.