Someone is here in class 9th

Define environment. Distinguish among environmental science, ecology, and environmentalism. Distinguish between an organism and a species.

The human disease phenylketonuria has symptoms that include mental problems, chronic skin rashes, and reduced hair and skin pigmentation. Phenylketonuria can be caused by a mutation in a single gene. Phenlyketonuria is an example of pleiotropy.

What is the purpose of the motor neuron? to carry information from sense organs to the brain or spinal cord to carry information from the brain or spinal cord to sense organs to carry information from the brain or spinal cord to muscles and glands

Beth learned in her science class that white blood cells in the human body capture harmful material by engulfing them then they digest them using enzymes does protecting the body from infection

How has the human population influenced this food chain?

How can scientist determine the age of a petrified wood? O Growth rings indicate how old the plant was. The size of the petrified wood can indicate its age. O The condition it was found can identify its ages.

How are stem cells similar to cancer

An elderly client who enjoyed watercolor painting when young has recently indicated a desire to begin painting again. According to Maslow's theories on human needs, what is the best reason the client will express an interest in painting again?

List eight factors that contribute to desertification.

Why do people always use drugs