Why does a tundra lack trees? A. the animals eat it to quickly B. the permafrost has no soil C. the permafrost ground prevents deep root growth D. the ground is a glacier

A person develops a disease in which her immune system attacks her own connective tissue. Where would this disease have the greatest impact? Tendons and cartilage Tendons and the epidermis Muscles and the spinal cord Muscles and bone

In the human body, what are systems made of?

Which of the following applies to a viral infection

Describe factors that have played a role in how humans have altered the environment.

The purpose of molasses is to make game it is also known as sperm and egg cells and humans your body has 46 chromosomes how many chromosomes are in a sperm or egg salad if they come together to form a fertilized zygote there are 46 chromosomes?

Below is a list of possible challenges. Check all errors that you mentioned in your answer. Traits other than beak type might affect natural selection. It could take many generations to observe adaptions to a population.

A farmer dug a well but did not find any water Which reasons most likely explain why the farmer did not find water? Check all that apply.

A certain metabolic pathway can be diagrammed as, where a, b, c, d are the intermediates, and x, y, z are the enzymes that catalyze the reactions

A client has activated the complement system during an inflammatory response to an injury. when planning care, which information should the nurse remember about which substance activates complement?

Which of the following is a product of the Krebs cycle glucose oxygen carbon dioxide or lactic acid?