Which type of tissue contracts and moves various parts of the body?

The greenhouse effect is caused by a. co2 traps heat in from from the sun b. causes the temp of earth to increase c. all of above d. none of the above

All simple machines belong to one of two different categories of basic machines True or false?

In what way are all living organisms on earth similar? a. they all grow using a code based on fatty acids. b. they all have the same exact nucleotide code. c. they all use the same set of nucleotides. d.

Planet Morona contains trogs, squirts, and zinks. One year the trog population increased. As a result, the squirt population decreased and the zink population increased. Which is the most likely food chain? Trog, squirt, zink A.

16. How do you write a hypothesis?

Do monocots have auxiliary buds?

What does aerobic mean? a. work below maximum aerobic effort c. highest aerobic capability b. involving or improving oxygen consumption by the body d. an abnormal increase in the acidity of the body's fluids

What is the main challenge faced by biologists researching infectious diseases?

What occasion transforms the salt plan landscape

What structure on the continental crust is most similar to an ocean ridge? -Plains -Mountain range -Canyon -Plateau