If pine cones are placed in water, they close up. But they open up in warm and dry conditions. How do pine cones benefit from this characteristic?

Which statement is true about using Parallax to measure the distance to Stars? A. The larger the star the smaller The Parallax angle B. The closer the star the larger The Parallax angle C. The closer the star smaller The Parallax angle D.

In which category are earthworms, bacteria and fungi? A. primary consumers B. secondary consumers C. final consumers D. producers

The process by which organisms maintain a relatively stable internal environment.

What would happen to the ecosystem if there were no competitors

What are the six levels of organization that ecologists give to the loving things in the earth

The parasympathetic division of the autonomic nervous system A. is associated with "fight or flight." B. opposes the effects of the sympathetic division. C. arises from parts of the spinal cord. D. uses the neurotransmitter norepinephrine.

Organisms which can make their own food are found in this kingdom:

What are hormones and why are they important?

What is the central dogma that tells how information is transformed to make a protein

Select one organism from above and describe how it functions in the energy pyramid