What factor can cause to two populations to become reproductively isolated? a. change in classification b. interbreeding c. geographical barrier d. genetic exchange

Many nonchordates have tails. Which feature differentiates a chordate's tail from that of a nonchordate? A. Chordates have postanal tails. B. Chordates have longer tails than nonchordates. C. Chordate tails are ventral in origin.

Variation is best described as

I which part of the cell concerned with the entry of only certain substances into and out of the cell.

Experimental inquiry: what can you learn about the process of science from investigating a cricket's chirp?

An organism has the scientific name Canis lupus. Using complete sentences, write the information that you can obtain about the organism from its scientific name. Also give one reason that scientists use scientific names.

This is the process by which information from a gene is used in the synthesis of a functional gene product. These products are often proteins.

An example or inference

What is found in between the bases of dna

When volcanoes erupt, they spew out tiny particles of matter and gases, in addition to lava. Choose two spheres that this could impact and explain how they would be affected.

How does science use fossil evidence tofo support the theory of evolution