-- Exhibit-- Exhibit --An area in southern Canada receives about 60 centimeters (23 inches) of rain each year. The winter season lasts from late October into early May, and the common trees are needle-leaf evergreens.This area would be classified as which of the following biomes?
Answer(s): D
A community is a population of all living things, or organisms, in a given area. Communities consist of organisms that may interact with one another. When two organisms, each from a different species, interact, their interaction can be categorized as one of the following:Neutral interactions--do not directly affect either organism Commensalism--one organism benefits significantly; the other organism is not affected to any great degreeMutualism--both organisms benefit greatlyPredation--one organism (predator) gets its food from the other organism (prey); the predator does not live on or inside its prey.Parasitism--one organism (parasite) gets its food from the other organism (host); the parasite lives on or inside the host and may kill it.Which category describes an interaction where a tapeworm feeds on intestinal material in the human body?
Answer(s): E
By taking careful measurements, scientists have determined that the universe is expanding over time. Individual components of the universe, such as galaxies, continue to travel through space. This concept is sometimes represented by a balloon as shown below. Each dot on the balloon represents a part of the universe, such as a galaxy.Based on the information and diagram, which statement best describes the way galaxies move through space over time?
For which activity is an environmental scientist likely to be qualified?
Answer(s): C
-- Exhibit-- Exhibit --When an object is being raised against gravity, work is being done. Gravity is the force that must be overcome to lift an object. The amount of work done is determined by how high the object is lifted and the mass of the object. The higher an object is lifted, the more work is done.If each book in the diagrams has the same mass, which diagram shows the most work done?
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