Which of the following is caused by mutations?

A. Mutations can cause genetic disorders.

B. Mutations never have any effect on
organisms.

C. Mutations only cause problems on the sex
chromosomes.

D. Mutations only cause problems on autosomal
chromosomes.

Which process can increase the rate of greenhouse gas emissions into the atmosphere in response to a decrease in albedo

Select the situation bellow that would produce a total displacement of zero. a. a trip to the moon and then to mars b. a horse galloping from one end of a field to another c. the criss-crossing path of a bug as it flies from flower to flower d. a round-trip ride to school and back

What's wrong with this ecological pyramid? (multiple choice)1. secondary consumers should be at the bottom of the pyramid2. the sun has an arrow leading to decomposers 3. primary consumers should come after the sun4. energy retained should increase from the bottom to the top5. the sun should be at the bottom of the pyramid