Which is true about autotrophs?

a. They are primary producers

b. They make their own food.

c. They are the base of the food chain.

d. All of the choices are true.

Which of the following organisms are able to take energy from the sun and make it usable for living things? Consumers Decomposers Omnivores Producers

Which of the following best describes earths orbital position in our solar system

A plants response to light is known as A. phototropism. B. gravitropism. C. thigmatropism. D. heliotropism.

If you have type A blood, what are your possible genotypes

Why do the number of subatomic particles determines the properties/characteristics of an element?

Which describes the scientific view's order of earth's first living things to the most recent? A. cyanobacteria, hagfish, crocodilians, giant ground sloths B. cyanobacteria, crocodilians, hagfish, giant ground sloths C. cyanobacteria.

At what stage of mitosis does the cell grow and make copies of its hereditary material

A landform that has high elevation and a more or less level surface is a ...

Which of the following contain only prokaryotes? A) Domains Bacteria and Eukarya B) Domains Archaea and Bacteria C) Only Domany Eukarya D) Domains Archaea and Eukarya

The word below is the scientific name of a species of protists that causes algal blooms. Which of the following answer choices best represents the bolded word in the scientific name below? Karenia brevis class species kingdom genus