How do cities affect food chain found that particular area? A. Cities blocks the sun that producers need to survive.

B. Animals can change their food source.

C. Humans can cause some animals to become extinct, changing the food chain.

D. Cities can provide unlimited amount of water for animals in found in the food chain

Which is an example of a vestigial structure? a. tail of a monkey b. fin of a fish c. flower of a plant d. tailbone of a human

Which of the following best describes the expensive tissue hypothesis? brains require more energy, so the gut had to be reduced, and larger brains and tool use led to higher quality diets. increasing body size means that homo neanderthalensis had to include more fat in its diet. brains require more energy, so the gut had to be reduced as brains got bigger. brains require more fat, so the gastrointestinal viscera (gut) had to expand, and hands were needed to acquire more food.

In which ways are mercury and venus similar?