Which of the following is an unsegmented worm with a pseudocoelom.

A. sponge

B. cnidarian

C. arthropod

D. roundworm

The principle that geologic processes operated in the past much as they operate today is also known as: natural selection creationism catastrophism uniformitarianism

Human activity has led to clear cutting of the world's rainforests. Which is the best explanation of why this change has been detrimental? A) Cutting down the rainforest disrupts some trading routes.

In a food chain, which trophic level contains the greatest amount of energy? A. herbivores B. carnivores C. producers D. decomposers

During a laboratory assignment Sarah made a drawing of an animal cell which is shown above. What type of lab equipment did she use to make this drawing? A) microscope B) thermometer C) metric ruler D) metric balance

Which mutation causes either the inclusion of an extra chromosome in offspring or the deletion of an entire chromosome? A) deletion B) insertion C) crossing-over D) non-disjunction

List 5 examples of matter and five examples that are not matter. Explain your answers.

List the essential elements of ALL graphs (no matter what type).

On control for someone who has swallowed poison. O A. True O B. False Is this true or false?

The process by which plants convert sunlight into chemical energy is cellular respiration diffusion mitosis photosynthesis

Which structure is an example of a hinge joint?