This is a lava lamp. When the light bulb heats the wax, the wax rises. When the wax cools, it falls. This cycle of rising/falling is an example of:

Why can plants produce carbon dioxide as a product of cellular respiration

Most of the species that have ever lived are still in existence. a. True b. False

The sugar in a molecule of DNA is referred to as A. phosphate. B. nitrogenous. C. deoxyribose. D. hydrogen bonding.

Why must DNA replicate

Identify the items below that can cause illness

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.