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Which of the following best describes the symbiotic relationship between the protozoan causing malaria and humans?  

The earliest terrestrial plants were………. Mark all that apply for full credit

chemotrophs are 

Which one is mismatched  

A group of organisms that can  interbreed to produce a viable offspring is called a  

This biome is characterized by little precipitation, water storing plants, low species diversity

Malaria is spread by 

 All of the following animal groups are ectothermic except for one. Which one is NOT ectothermic?

Lions often hide in the tall grass while stalking their prey.  This is an example of how __________ helps them to survive.

What are some problems associated with long-term exponential growth and overpopulation? Mark all that apply for full credit