What are these three types of cells and what characteristics do they have that make them that cell?

Viruses are sometimes triggered into an active state by overexposure to sun, sickness or stress

How fast does Mars orbit the sun?

Tiles Researchers in the Amazon region found 100 different types of ants living in one tree. A population of a spider species has a wide variance in individual traits. Three populations of insects from neighboring regions are able to interbreed.

a. High risk of death following surgery b. Death from starvation when suffering from cancer c. Deterioration of nutrition status during hospitalization d. Early death during a famine or in a siege e. High risk of developing heart disease

Which of the following has a nucleus? A.) Chloroplast B.) Bacteria C.) Yeast D.) Archaea

All the body parts receive oxygen-rich blood through A) veins (B) haemoglobin C) RBC's (D) none of these

What needs food oxygen to live?

Which of the following contains storma

Which of the following happens during the main-sequence stage of a star's life

Which of the following terms refers to an object that orbits the sun and has enough gravity to be spherical but has not cleared the area of its orbit?