You are presented with the quiz "Mammals conserve body heat with what that produce thickness and colors?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "mammals conserve body heat with their hair or fur" and "hair follicles are capable of producing hair of various thickness and colors". So, what's the best answer to the question?

OPTIONS:
- sweating
- Exfoliation
- properties
- four limbs
- a cuticle
- follicles
- dense
- heat energy

Answer: follicles

You are presented with the quiz "What must an animal find to ensure survival?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "an animal needs to attract a mate to reproduce" and "every member of every species needs to meet the challenges of survival and of reproduction". So, what's the best answer to the question?

OPTIONS:
- disaster
- warmth
- food
- space
- predators
- smell
- mate
- DNA

Answer: mate

You are presented with the quiz "What do dolphins use to store energy?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "animals use saturated fatty acids to store energy" and "dolphins are a very unique animal". So, what's the best answer to the question?

OPTIONS:
- saturated fatty acids
- thermal insulators
- kinetic energy
- evaporation
- Something coming from a gland
- objects that have mass
- it helps plants in growing
- Positive charges

Answer: saturated fatty acids

You are presented with the quiz "Mammals can also generate little bursts of heat by what?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "mammals can also generate little bursts of heat by shivering" and "an inability to shiver or react to the cold can contribute to hypothermia". So, what's the best answer to the question?

OPTIONS:
- the body's largest organ
- reacting to the cold
- flow of electrons
- looking very cold
- reacting to the news
- considering being warm
- Movement of an air mass
- with their fur

Answer:
reacting to the cold