When an alligator eats a bird, it is broken down into small enough molecules to be transported to cells. Which of the following body systems primarily accomplishes this task?

The outer boundary of a human cell is the

Which of the following is true of the light dependent reactions but not of the light independent reaction? a. also known as the Calvin cycle b. requires photons to occur c. stores energy for long term use d.

The microscope best suited to view the thylakoid stacks inside a chloroplast would be a?

Foreshadowing means A. hinting at things that will occur later. B. describing what happens at night-for example, in a dark basement. C. putting secondary characters in the foreground of the story. D.

Human activity contributes to the extinction of species. Which is not a human activity that contributes to the extinction of a species? a. introducing a nonnative species b. hunting c. fungal disease d. cutting down forests

1 A negative result of monoculture farming is ... A. a resistance to pesticides B. an increase in crop prices C. a decrease in mineral nutrients in soil D. a decrease in the number of diseases

What type of conduction takes place in unmyelinated axons? What type of conduction takes place in unmyelinated axons? Continuous conduction Electrical conduction Saltatory conduction Synaptic transmission

The characteristics that distinguish phylum Annelida worms from simple worms include (s) A. nephridia, a heart, and, in some cases, jaws. B. the lack of a true digestive system. C. metamerism. D.

The process of meiosis is responsible for creating much of the genetic variation seen in sexually reproducing organisms. which events in the process of meiosis generate this genetic variability?

Person who studies growth density and other characteristics of population