The ultimate source of energy for starting the food chain is:

Try to explain with your words what is Osmosis.

What is a biotic component of a marine ecosystem? Detritus on the ocean floor The oxygen concentration of the water Rocks on the ocean floor The temperature of the water

During what stage of the cell cycle do sister chromatids line up in the middle?

In a human eye, there are three types of cones that allow us to see colors. the three different types are most sensitive to red, green, and blue light, respectively. all three contain retinal bonded to a large protein.

How does a catalyst influence a chemical reaction?

I have moist skin but no scales, and two pairs of legs. Although I have lungs and live on land, my young usually live in water and use gills to breathe.

Why is wind, like force, considered a vector quantity?

When did darwin arrive on the galapagos islands

A cell has 36 chromosomes. After it divides by mitosis, how many chromosomes will be in each cell?

Which of the following is not a potential concern associated with the use of biotechnology?