Which choice is an abiotic feature of an ecosystem?

A) Dogs

B) Ants

C) Fungi

D) Minerals

A scientist is examining lists of the elements that make up several minerals. Which two elements can this scientist eliminate if she wants to work with only nonsilicate minerals? A. silicon and carbon B. silicon and oxygen C. carbon and oxygen D.

If Tyler does not eat a diet that include essential amino acids his cells will not be able to bulid

What is a motor neuron?

Describe how a planet, solar system, galaxy, and the universe are related in terms of size?

Which of these would probably occur from under-coverage? A. Interviewers influencing the responses to questions B. Questions that are poorly worded C. Results not reflecting the population D. People lying when they answer survey questions

The plasma membrane controls what enters and leaves the cell

What type of UV light is used during tanning beds and why is it so dangerous?

As a seed plant grows the roots grow downward due to the force of

Egg laying land animals have evolved to produce eggs with tough shells to ensure that

Which of the following statements describes a proton of an atom? A has a negative charge and is located in the nucleus. B has no charge and is located in the nucleus C has a positive charge and is located in outer energy levels.