Which marine ecosystem contains the fewest producers?

A. Intertidal zone

B. Near shore zone

C. Coral reef

D. Open ocean

How do the muscles of the upper arm move the forearm

As invasive species, how does the introduction of the feral pig and the water hyacinth impact an ecosystem?

Happy Earth day! Which of the following are ways that we can conserve Earth's resources?

Starch, which can be obtained from bread, rice, and potatoes, is a

Microfilaments (actin) are important for A. cell movement B. maintaining cell shape C. muscle contraction D. A and B only E. A, B and C

3. Which is not a major component of natural gas? A hydrogen sulfide B carbon monoxide c methane D propane

On a submarine expedition to the ocean bottom, you discover a population of fish that are only female. What type of reproduction does this fish most likely use? a. sexual b. budding c. cloning d. parthenogenesis

4. Which of the following might be included in an ecological community Select all that apply. A) plants and animals b) multiple organisms C) abiotic factors d) multiple ecosystems e) a water source f) multiple populations

Protein is found in plant and animal products. a. True b. False

During dna replication a. one template strand must be degraded to allow the other strand to be copied. b. the template strands must separate so that both can be copied. c.