Define anthropogenic in your own words and give example

What are some of the challenges of using or harnessing solar energy?

1.) The train is averaging 45mph. A. Position B. Speed C. Acceleration D. Not Relevant 2.) The conductor has been letting train go on autopilot since there are no scheduled stops. A. Position B. Speed C. Acceleration D. Not Relevant

Explain why the Pacific Salmon could be considered a keystone species

Organisms require energy to maintain a proper internal order. If the orderly internal environment of the cell is not maintained, the cell will die. Which term BEST describes this concept? A) diffusion B) entropy C) mutation D) respiration

Which one would be called a radioisotope?

The axon: carries information toward other neurons. forms connections with other neurons. receives signals sent from other neurons. performs the basic activities which keep a neuron functional.

Rock made of shells and coral cemented together

Hemoglobin is A. a digestive enzyme. B. a tiny nutrient carried in capillaries. C. an oxygen-carrying pigment in blood. D. part of the vertebrate nervous system.

What is needed for DNA replication? Select all that apply.

In which process is a zygote formed in a plant from the joining of a sperm and an egg? fertilization pollination seed dispersal vascular transport