Question | Answer |
What effect do animals have on the environment ? | They release carbon dioxide into the atmosphere. |
A puppy chews on objects other than food. what type of behavior is this... | an inherited innate trait. |
Plants alter the chemicals in the air how? | They take the nitrogen from the atmosphere to help the soil in nitrogen fixation. |
A change in the ocean current causes a climate on an island to become drier. As a result, the grasses that cover the island changed from dark green to light brown. Over time, how might a species of green toads that hide in it respond to these changes? | Their coloration will change to brown. |
When an effective insecticide is used on a population of insects, most of the insects are killed. however, a few may survive due to genes that make them resistant to the insecticide. What is the BEST explanation of why this happens? | Insects that survived spraying passed their resistant genes to their offspring. |
Snowshoe hares experience a change in fur color from brown in the summer to white in the winter. Which statement best describes how the appearance of a particular snowshoe hare may change after it lives in a warm climate year-round, for many generations. | It would have brown fur all year lang |
Less than 10,000,000 years ago, environmental changes separated some individuals of a squirrel population to one side of the grand canyon. Now the squirrel have white tails and black belly instead of gray tail and white belly.the color difference is... | evidence of speciation due to geographical isolation |