Which organism has a central brain? Flatworm, hydra, sponge, fish?

What are the 4 great lakes names

Which process produces a greater number of offspring?

Which of the following produces the largest amount of hazardous waste

What type of cells typically do not contain cilia and or flagella

Phosphorus is? A. found freely in the atmosphere B. returned to the soil by rhizoblum C. added to the soil through weathering D. usually very abundant in an ecosystem

If element X has 76 protons, how many electrons does it have

Match each description with the correct division of the peripheral nervous system. somatic nervous system regulates voluntary activities parasympathetic nervous system regulates involuntary activities sympathetic nervous system called the rest and

Which of the following diseases is caused by a spirochete? tularemia relapsing fever rheumatic fever Rocky Mountain spotted fever

The brain of the nervous system and the endocrine glands of the endocrine system are similar to one another in certain ways. Both act to send messages to distant body parts. What is a significant difference of the activity of endocrine glands? A.

After reviewing the process of meiosis describe how an error during meiosis could lead to polyploidy