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after natural selection allowed the creation of the nicer sub-species of wolves, we purposefully bred the dogs to get characteristics we liked, resulting in the vast number of breeds today. this is purposeful breeding is an example of

select one:

a. concurrent selection

b. natural selection

c. artificial selection

d. convenient selection

What evidence supports the law of conservation of energy? a) mechanical energy is converted to chemical energy during photosynthesis. b) oxygen is made from the breakdown of carbon dioxide during photosynthesis. c)energy is absorbed by chlorophyll and becomes chemical energy during photosynthesis. d)the sun gives off light energy that is absorbed by plants.

Been sitting here trying to take this test and don't know this answer! place the events of a feedback mechanism associated with body temperature in the correct order. ·nerve cells send message from skin to the brain ·body returned to normal temperature around 98.6 degrees f ·temperatures regulation center in the brain sends out signals ·body temperature exceeds 98.6 degrees f ·sweat glands throughout the body activate to cool off skin surface it is a 1 through 5 question in biology!

Support mangrove trees out of the water. a) pneumatophores b) prop roots c) sand dunes d) tide supports