Which of the following is an autotroph?

A) gravel

B) pine trees

C) brontosaurus

D) vulture

The gap at the connection between neurons, through which neurons chemically communicate with one another, is called

Why do you think the sympathetic and parasympathetic systems have opposing functions?

How do enzymes lower activation energy? A. by linking to the substrate and causing a chemical reaction B. by linking to the substrate permanently, creating a very large molecule C. by changing the temperature and pH of the substrate's environment D.

What is the type of metabolism that occurs when energy is created with a balance of adequate oxygen and nutrients? (A) Aerobic (B) Hypoxic (C) Homeostatic (D) Anaerobic

nitrogen fixation occurs in some types of sugar cane, a crop grown in Florida. how does nitrogen fixation benefit the sugar cane plant

Adrenergic synapses release the neurotransmitter in the

List three organisms transported by ocean currents.

Question 1 Bernoulli's principle states that fluid velocity decreases when flow is restricted. 1) True 2) False

Whats the order of horse

What does the Eurasian Boar threaten?