What is the 6th Extinction?

Name two ways that a cell would be harmed if the cell membrane were damaged.

Which system transports nutrients to body cells? A. respiratory system B. muscular system C. skeletal system D. circulatory system

Some bacteria, like those that cause Cholera, have a flagellum that allows them to

Edward planted some potatoes in his backyard. How will his potato plants get energy needed to grow? A) From the water in the soil B) By relying on other consumers They change sunlight to sugar. D) From fertilizer added to the soil

What is the gastrointestinal system? What does it do?

Ozone is classified as a secondary pollutant. identify the primary pollutants necessary for its formation and describe how tropospheric ozone is formed.

Research on galapagos finches by peter and rosemary grant showed that a type of natural selection called

Hormones regulate both the male and female reproductive systems. The principal male sex hormone is testosterone and is produced in the testes.

During cell replication, often pieces of nucleotides at the end of a DNA strand may be broken or lost.

Put the following levels of organization in order from least inclusive (1) to most inclusive (5). tissue organism organ cell organ system