What makes plants the beginning of the food chain?

A. Plants store chemical energy as glucose

B. Only plants use solar energy in a chemical process to produce food

C. All organisms eat plants

D. Plants make food for other organisms.

How do the characteristics of living things contribute to an organism's survival?

What is the term used for fallen, disintegrated material found at the base of a cliff? A. clay B. soil C. talus D. sediment

13. Which of the following would not result in secondary succession? a. Forest fire b. Flood c. Logging d. Volcanic eruption in the ocean

Read this excerpt from "dna testing." dna samples from insects preserved in amber can date back to before the time of the dinosaurs, which died out 65 million years ago.

Which of the following statements is true? The angle of refracted light is equal and opposite to the angle of incoming light. A magnetic field can be created by running an electric current through a magnet. Exothermic chemical reactions absorb heat.

In any ecosystem, there are always more: Select one: a. Animals than plants b. Herbivores than carnivores c. Heterotrophs than autotrophs d. Predators than prey

Which biome would contain the most biodiversity in deciduous tree species? A) taiga B) savanna C) temperate forest Eliminate D) tropical rainforest

If you wanted to show all of the feeding relationships in a particular ecosystem, what type of diagram would be most effective

Bacteria, viruses, protozoa, and green algae are all microbes, but one group is much smaller in size than the rest. Which microbe is the smallest? A. a green algae cell B. a bacterium C. a protozoan D. a virus

The discovery of immense ridges and trenches stretching thousands of kilometers across the seafloor in the 1950s led to acceptance of the theory of