What species was a direct ancestor to the first homo sapiens?

There are 30,000 genes are on a single chromosome

A child is born without a fully developed pancreas. He is normal in all other respects, and thus doctors believe that the problem most likely began early in development.

What is organ system? a. two or more organs that work in a coordinated way to carry out similar functions. b. process by which a cell divides its nucleus and contents. c. protein that organizes chromosomes and around which DNA wraps. d.

An organisms needs might include which of the following? Choose all that apply Question 1 options: Space Sunlight Water Air

When meiosis is complete what has been produced?

Which of these chemicals is needed in order for the metabolic reactions of photosynthesis to occur? A) fructose B) glucose C) oxygen D) water

Why is the plasma membrane called a selectively permeable membrane

In what way can open-mindedness interfere with scientific progress? It can prevent the development of new ideas. It can lead to the acceptance of untested ideas. It can lead to too much critical evaluation of ideas.

Where is the neutron located in the atom?

The first step a biologist takes when deciding how to study like is to