Define what a model that shows the feeding relationships between organisms in an ecosystem is

Which of the following molecules is used to make radioactively labeled DNA? A. Radioactive nucleotide, B. Glucose Monomer, C. Amino acid, D. Fatty acid

Which of the following is not a product of the second stage of glycosis

The process of making end to DNA

It is black but what are the others ...

What are the resources the human body needs to survive? what role does food play in the human body? what role does water play in the human body? what role does oxygen play in the human body?

All living things are made of cells. What might be a major difference between cells that are found in human skin and human nerve cells?

I live in wet land, I respire through roots

What do scientist think causes the movement of earth's plate?

If a normal human cell has 46 chromosomes how many chromosomes will it's daughter cell have?

Differentiate between sexual and asexual reproduction