Why does oxygen from the lungs get into your blood?

Alligators, crocodiles, and snakes are all reptiles. however, alligators are more closely related to snakes. which statement most accurately describes how this relationship is explained in Darwin's theory of evolution

Why do cattle sex cells (egg and sperm cells) only have 30 chromosomes while the cattle's other cells have 60 chromosomes?

Suppose you have a range of cells with numbers and a few blank entries. if you sort the range in ascending order (smallest to largest), where will the blank cells be located after sorting?

Lupus, a condition in which the body attacks its own cells, is an example of an allergic disorder. an immunodeficiency disorder. a cancer of the immune system. an autoimmune disorder.

Short-chain triglycerides found in foods such as butterfat molecules in milk are split by a specific enzyme in preparation for absorption. Which of the following enzymes is responsible? A. rennin B. pepsin C. lipase D. cholecystokinin

Describe how the population of the Earth increase if the number of children being born is less?

What is defined as all of the living and non-living components of a particular geographic area?

Most reptiles and all birds are, meaning that their young develop in fertilized eggs laid outside the mother's body. in contrast, most mammals are, meaning that their young develop inside the mother's body.

What is heamoglobin

In the following experiment, what is the independent variable? Dr. Honeydew would like to test the effect of chlorine on Beaker's hair color. To test this he pours heavily chlorinated pool water on the right side of Beakers head.