What system has different male and female structures in human body?

8. Vultures, which feed on the bodies of dead organisms, are A. first-level consumers. B. scavengers. C. producers. D. herbivores.

Explain the relationship between the enzyme and the substrate

Wegener observed evidence of the similarity between the type and age of rocks at the edges of continents. Which of the following best describes the reason for continents to have the same types and ages of rocks on their edges?

Why do you need a microscope to see most cells?

What are the two parts of the chloroplast and explain them

There are over 2,000 different enzymes in the human body. Which statement best describes why it is necessary for there to be so many different kinds of enzymes? A. Some enzymes will not react with any type of substance. B.

What roles do DNA and chromosomes play in the coding of instructions for the inheritance of traits, or those traits passed from parents to offspring?

The external similarity of insect wings and bird wings is an example of

Dna plus its associated proteins is called what?

Movement up or against a concentration gradient requires energy. A. True B. False