24. In an energy pyramid, the bottom level represents:

A. primary consumers

B. producers

C. scavengers

D. decomposers

E. secondary consumers

Natural depression on the earths surface

If someone is injured killed in a car crash a blood sample can be taken

A posterior and anterior root of each spinal segment unite to form a

A victim who has come in contact with a nerve agent may have symptoms that are recognized by using the mnemonic sludgem. sludgem stands for salivation, lacrimation, urination, defecation, gastric distress, emesis, and

Which of these is an advantage of a multicellular organism? a. one cell performs all the necessary functions b. their size allows them to retain structure easily c. they can reproduce quickly t d. they can perform more functions

Just as the body has different levels of organization, such as cells, tissues, organs, and organ systems, so does an ecosystem.

The electric signal for a contraction passes rapidly from one heart muscle cell to the next by way of

What is the BEST example of Newton's 1st law of motion? Group of answer choices A rocket will push off the ground with the same force as the ground pushes on the rocket.

Which nutrient provides the highest number of calories per gram? fat sugar carbohydrate protein

Why are desert solis low in organic matter?