Survival

A school, or group, of sardines can form into a large circle to protect themselves from predators.

• True

• False

The population of zebras in the grassland describes only the adult animals.

• True

• False

All animals have a better chance of surviving when living in groups.

• True

• False

To help a colony, or group, of ants survive, they can do different jobs or work together.

• True

• False

Some animals, such as wolves and lions, often hunt in groups for food.

• True

• False

Which of the following is not an advantage for penguins living in groups?

• Some penguins in the group watch for predators while others care for the young.

• They can huddle together to stay warm.

• Some penguins in the group can hunt for food while others guard their nests.

• Penguin groups can be loud when they are all making noise.

One advantage for animals living in a group is _________________.

• there are more animals to watch out for predators.

• shelter is easier to find for a large group of animals.

• the animals in the group need less food.

• animals in a group usually have a different diet than solitary animals.

​Choose the example that does not represent an advantage of animals living in a group.

• A colony of ants builds a network of underground tunnels.

• Owls hunt at night to surprise their prey.

• A pack of wolves works together to hunt for food.

• Prairie dogs alert each other using calls when a predator is near.

An example of an animal that does not often live in a group is a(n) __________.

• Dolphin

• Tiger

• Hyena

• Elephant

Which of the following is a benefit of fish swimming in schools?

• They can change color more easily.

• They require less oxygen.

• They can confuse predators with their numbers.

• They can swim faster individually.