The primary function of the human male

reproductive system is to

(1) provide a site for fertilization

(2) produce and transport gametes

(3) protect and nourish the embryo

(4) prevent urine from leaving the body

Which major layer of the digestive tract is a dense layer of irregular connective tissue that has large blood vessels and lymphatic vessels?

An unopened can of coke or pepsi will sink when put in water. An unopened can of diet - coke or diet pepsi will float. Try the experiment to verify the assertion. Explain the phenomenon.

1. If carbon dioxide is removed from a plant's environment, what would you expect to happen to the plant's production of high-energy sugars? A.) More sugars will be produced. B.) Fewer sugars will be produced. C.

Which of the following is a form of active transport? a) carrier protein b) receptor protein c) sodium-potassium pump

How can analyzing and interpreting scientific data allow scientists to make informed decisions?

I'm writing a 5 para for science ab skin cancer. i have a lot of info but i am having trouble wording it. how should i paraphrase this? "Skin cancer is the uncontrolled growth of abnormal skin cells.

Speciation that results from the formation of a geographic feature that isolates some members of a population from other members is an example of: a. allopatric speciation b. directed speciation c. stabilizing speciation d. sympatric speciation

Vegetative plant organs are the root, stem, and leaf. Each organ has a specific function for the survival of the plant. Which organ is the part of the plant that supports the leaves and flowers?

Which molecule is synthesized by plants and is a major source of energy for plants and animals?

A biology student wants to understand how blood flows through the aorta. To model the heart and aorta, she sets up two identical pressure-controlled tanks that push blood through a 2-centimeter diameter tube. Her results are shown in the table below.