Before scientists learned how to make artificial fertilizers, what key process limited the amount of nitrates available to plants in most ecosystems?

A fox hunts a rabbit. When the fox captures the rabbit, he consumes it. What is the primary reason for this organism interaction?

Describe the structure of haemoglobin and explain how its 3 dimensional structure is achieved to enable it to carry oxygen molecules.

Which statement correctly identifies a difference in the structure of proteins and polysaccharides

What are the results of maya's conspicuous consumption? check all that apply?

Which of the following statements is NOT true of mitosis? Select one: a. Homologous chromosomes synapse in prophase b. The centromeres divide at the onset of anaphase c. The daughter nuclei are genetically identical to the parent nucleus d.

What information does the National Weather Service produce? Select three options. simple maps newspaper maps maps with isobars maps with isotherms weather service maps

Why does one part of earth experience summer while another part experiences winter?

Explain the difference between fermentation and cellular respiration.

Definiton of crossing over

Gemma lives a very healthy lifestyle. She eats very healthily, runs every day, does not smoke, and does not drink alcohol. What best explains why she has hypertension? A. She inherited the condition. B. She does not drink enough water. C.