Do Now Questions

Which sentence describes the first thing that happens when an animal receives a stimulus?

• A message is sent to the body to respond.

• A nerve signal is sent to the brain.

• The brain interprets a signal.

• The animal runs away.

How might an animal respond to a sudden storm?

• It would develop waterproof feathers.

• It would develop fins.

• It would seek shelter in a cave.

• It would build a nest.

A deer notices a wolf in the area. What organ is responsible for sending a message to the deer that it needs to move quickly away from danger?

• the lungs

• the heart

• the skeleton

• the brain

In the Galapagos Islands, finches on different islands have beaks of different shapes, so they can gather the food that grows on the island where they live. Their beaks are examples of which of the following?

• external structures

• behavioral adaptations

• internal structures

• instinctual behaviors

The picture shows some of the birds Jake sees at a city park.

What is the reason for the birds' behavior shown in the picture? Choose three correct answers.

• The birds are competing for food because there are too many consumers living in the park.

• The birds are trying to get food because they need energy to survive.

• The birds are competing for food because there are too few producers living in the park.

• The birds are working together to get food because birds always travel in pairs.

Which response to the potential danger are the elephants not likely to have?

• nudging the younger elephants to the front of the group

• using low, rumbling noises to communicate with other elephants

• using their trunks to make loud calls

• forming a circle for protection

Which of the following is not an animal instinct?

Humans and animals form memories to help them survive. Which of the following is not something that needs to be remembered for survival?

• where a place of danger might be

• somewhere to find food

• breathing provides oxygen to the body

• the location of shelter

Which of the following is a reflex?

• deciding what to have for lunch

• removing your hand from a hot surface

• choosing the clothes you wear

• picking a song to play on the stereo