What is the chemical messenger secreted by endocrine glands into the bloodstream called?

Which pigment in plants absorbs sunlight for photosynthesis?

What is the process by which the kidneys filter blood to form urine?

Which type of nutrition involves organisms that feed on dead and decaying organic matter?

How many kingdoms are in the traditional five-kingdom system of classification?

What is the process by which organisms adapt to extreme cold by entering a state of dormancy?

What is the deficiency disease caused by lack of Vitamin D in children?

Which molecule carries genetic information from DNA to ribosomes for protein synthesis?

What is the term for the gradual process of change in the species composition of an ecosystem over time?

What is the term for a community of organisms interacting with their physical environment?

Which process copies DNA information into mRNA in the nucleus?