Which work against each other to maintain homeostasis?

A. Hormones and neurotransmitters

B. Motor neurons and sensory neurons

C. Somatic and autonomic nervous systems

D. Sympathetic and parasympathetic nervous systems

Modern birds have feathers and can fly. when paleontologists discovered a fossil of archaeopteryx, a dinosaur with feathers, they suggested perhaps it could fly. what big idea in biology did they apply in this situation?

Values that indicate the precision of a measurement

Outline the levels of organization starting with the smallest, organisms

What are the characteristics of high energy waves? Choose one answer. a. low frequencies and short wavelengths. b. high frequencies and long wavelengths. c. low frequencies and long wavelengths. d. high frequencies and short wavelengths.

A virus is combined with a host cell in molten nutrient agar and then poured over a sterile nutrient agar plate. After the agar solidifies and the plate is incubated you see distinct clear zones in the agar. What do these results mean? A.

The first organisms to colonize a newly formed, lifeless habitat are part of

Geetha is 13 years old. She weighs 60 kg and is 4 feet and 2 inches tall. What is Geetha's BMI and weight category?

What is a biodiversity hotspot? A. Areas with high numbers of endemic species. B. Areas with high density of species C. Areas with endangered species. D. Areas that are along the equator and experience high temperatures annually.

Which of the following is not a form of forced migration? a. fear of imprisonment and death. b. home destroyed by floods or hurricanes c. food shortage d. chance for better wages.

Question 8 of 30 Which of the following is a base? Baking soda in water, pH 11 Milk, pH 7.1 Tomato juice, pH 4.1 NextReset