What is the purpose of a flower's petals

Fibrous root systems have many small roots. Is this true or False.

As male children get older some begin to closely resemble their fathers and have no resemblance to their mothers, which statement explains this observations

Which of the following is NOT a basic type of soil? a) forest soil b) desert soil c) waterbed soil d) grassland soil

Solar energy is used to produce energy-rich compounds in structure

What is mitosis used for

Nucleotide are composed of phosphate group, a sugar, and a nitrogenous base. DNA is made up of long strands of nucleotide. which part if the above molecule can differ between nucleotide? A. the sugar B. the phosphate group C. the nitrogen group D.

What organ system detects stimuli, secretes chemical and electrical signals, and controls all other organs

Which tissue type allows for organ movement within the body

Explain the role of enzymes and how they affect the chemical reactions of living things

Many arthropods young do not look like adults and do not eat the same food as adults. how would this be an advantage in an environment where food is scarce