What do 8th graders do for science

Which of the following is an ectothermic vertebrate

What types of substances dissolve easily in water?

The transfer of energy from one organism to the next in an ecosystem begins with a producer. A producer is an organism that produces its own food.

Food taken in by living organisms can be broken down and used to? A. break down ATP molecules. B. build ATP molecules from ADP. C. break the bonds in starch molecules. D. build starch molecules from glucose ...

Which of the following describes condensation A. ice becoming water when places into a warm liquid. B. water becoming ice in a freezer. C. liquid water being heated until it turns to steam. D. steam from a teapot turning into liquid water

What is the relatioship between I tissues and organs?

Which of the following pairs is mismatched? a. green algae - prokaryotic b. red algae - agar c. dinoflagellates - paralytic shellfish poisoning d. brown algae - algin e. diatoms - petroleum

Lynx feed on rabbits, and the growth curves for these two species fluctuate together. This relationship is an example of a (n) Select one: a. S-shaped growth curve. b. J-shaped growth curve. c. irregular fluctuations. tightly linked cycle.

All cells in the human body are identical true or false

Elements and compounds cannot be broken down into simpler substances by an ordinary process