Can humans be cold-blooded?

What does the immune system protect the body against? O changes of the internal body temperature O changing environmental conditions O changes caused by harmful pathogens O changes in the pH of the blood

Describe how organisms acquire energy directly or indirectly from sunlight.

Which of the following statements is correct for the karyotype? . Number of chromosomes in male differs from that of female in the human cells. The number of chromosomes in the cells of the same species is constant.

Describe how the sun produces energy

A brown fruit fly was crossed with a black fruit fly as shown below. What is the probability of a resulting offspring being black? A. 100% B. 75% C. 25% D. 50%

Explain how having nerve cells clustered around the edge of its bell is advantageous to a medusa

Through the process of photosynthesis, light energy from the Sun was transformed into chemical energy in the form of sugar within a strawberry plant.

Which is an ion found in a glass of water? A. H+ B. N+ c. O- D. O2

As air moves away from the tropics and toward the poles, it becomes A.) Cool and dry B.) Cool and moist C.) Warm and dry D.) Warm and moist

Which factor affects the amount of runoff that occurs in an area?