Which of the following is true regarding the sympathetic nervous system? Select one: a. it is under conscious control b. it is part of the parasympathetic nervous system c. it is activated during stressful situations d. all of the above

Over time the trees in african have increased in length. many species have had to adapt to this change in order to survive. which of the following is a structural adaptation that has the african giraffe meet this change? question options: the african giraffe has become a faster at running from its predators. the african giraffe's neck has increased in size over the years. the african giraffe have moved to another part of africa. the african giraffe has not adapted and struggles to survive.

Match the types of competition to their descriptions.

Autotrophs a.consume their food to get energy b.may use photosynthesis to gain energy c.are also called consumers d.cannot use solar energy