Biomes — Unit test Answers

Which describes a relationship in which one organism kills and eats another organism?

The producer in an energy pyramid contains about 1,000 kcal of energy.About how much of this energy is used by the producer or lost as heat to the environment?

Sydney drew a flow chart to illustrate the nitrogen cycle.

The diagram illustrates the water cycle.

Which is the best example of parasitism?

Which organisms release carbon dioxide as waste?

All of the populations living together in the same area are called a(n) .

Which best describes the relationship between population size, carrying capacity, and limiting factors?

Female chimpanzees that live together often help take care of one another’s young.This best demonstrates which type of relationship between the female chimpanzees living together?

The tropical pitcher plant is a unique plant that obtains its nutrition by digesting insects. The plant traps insects in its pitcher-shaped leaves and dissolves them as part of the digestion process. Tropical pitcher plants grow in warm, moist places in which the soil is poor in nutrients. Because of their feeding habits, pitcher plants are able to control the insect populations in the areas in which they live.

In a given year, which would result in the greatest increase in population size?

The picture shows a giraffe eating leaves.

An adult panda bear must eat at least 30 pounds of bamboo in a day. There are 12 adult pandas living in part of a bamboo forest.How many pounds of bamboo, at minimum, must be available each day in order to support the population of pandas?

Which best explains why a thick tropical forest filled with large plants typically has a lot of water vapor in the air?

Which scenario would result in a positive population growth?Use this formula: population growth = (birth rate + immigration) – (death rate + emigration)