When is a mutated gene most likely to be passed along to offspring over several generations?
a. when the mutation is beneficial
b. when the mutations are substitutions
c. when there are multiple mutations in a gene
d. when the mutation is harmful

Which term refers to the total dollar value of the goods and services produced in a country in a year?

The following image is of a diatom. it lives in water and gets food from photosynthesis. it is encased in a hard shell made of something similar to glass or sand . a diatom is a(n) because it has a) multi-celled organism; specialized parts. b) vertebrate; a skeleton. c) insect; an exoskeleton. d) single-called organism; only one cell.

Which process of living things produces water that enters the water cycle