Chromosome is to cactus as gene is to

O needle

weeds

desert

A scientific experiment is repeated, but its results cannot be repeated by others. What can you conclude about the experiment?

If there is increase in evaporation due to higher ocean surface temperature, what process needs to increase to keep the water cycle balanced

Which is the best description of biology? the study of humans and animals the study of life and living things the study of health care the study of humans, plants, and animals

a biologist wants to classify protein secretion into groups based on the principal function of the protein. which cell works the biologist select to study and why?

Develop a project pitch on how to improve our city streets

A chemical found in urine that is produced from breaking down of proteins is called ___.

What determines the amount of energy a human can recieve from food

What does this diagram represent? A) DNA B) RNA C) a gene D) an allele

A substance that enters Earth's cycles and does harm to living things is a. a pollutant. b. hydrogen. c. freshwater. d. oxygen.

Which of the following is a correct match of cell type with structure? nerve cell ... closely joined skin cell ... has a large volume intestinal cell ... closely joined muscle cell ... has proteins that slide back and forth skin cell ...