________use chemicals from the environment (like deep-sea vents) to make their food.

An incremental lowering of standards that results with each new generation lacking knowledge/observation of the historical (or previous) condition of the environment being observed describes:

__________________ is a process in angiosperm plants in which two sperm are required to fertilize the contents of the embryo sac.

Which of the two body forms found in cnidaria is the dominant part of the hydra life cycle?

Which Supergroup consists of mostly unicellular, non-photosynthetic organisms with shells (or skeletons) have tubular cristae in their mitochondria, and make up the majority of the protozoan fossils? (example: Radiolarians)

What do tapeworms use to attach to their host?

Darwin proposed that natural selection occurs in an environment by

Which of these is NOT one of the conservation ethics?

The symbols +, -, and 0 are to be used to show the results of interactions between individuals and groups of individuals. The symbol + denotes a positive interaction, – denotes a negative interaction, and 0 denotes where individuals are not affected by interacting. The first symbol refers to the first organism mentioned. What interactions exist between arbuscular mycorrhizal fungi and plant roots?

What is the purpose of a swim bladder in fish?