Organism Interactions 3rd Gr

Wolves live in groups called packs. How does living in a group help wolves?

• The wolves can move faster as a group.

• The wolves can fight one another for resources.

• The wolves do not need to eat as much in a group.

• The wolves can work together to get food.

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Ants live in big groups. Some ants can bite other animals. The bites hurt and sting. When another animal gets too close to the ants, many ants will attack. Ants biting other animals is an example of how living in a group can help ants _______.

• find food

• defend themselves

• make friends

• stay warm

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Honeybees live in groups. When one honeybee finds a group of flowers, it comes back and tells the other honeybees where to find the flowers. How does this help the other honeybees in the group?

• It helps them stay warm.

• It helps them get food.

• It helps them compete with one another.

• It helps them defend themselves.

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Lions live together in groups called prides. The females, or lionesses, do the hunting. This means that the pride of lions depends on the lionesses for ______.

• food

• a place to sleep

• water

• air

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The image above shows zebras in a large group called a herd. Which of the following best explains why zebras stay together in herds?

• to find food more easily

• to not have to look for water

• to protect themselves from predators

• to have more space to live in

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Starlings are birds that fly together in very large groups. When a predator like a hawk is nearby, they form a cloud-like group. The starlings fly close to each other. They all change directions almost at the same time. This makes it hard for the hawk to see one starling and catch it. How does being in a group help a starling survive?

• Being in a group helps every starling be able to see all directions.

• Being in a group helps confuse predators trying to catch any one starling.

• Being in a group helps scare predators away so a starling can escape.

• Being in a group helps each starling fly for a longer amount of time.

Baboons live in groups on the ground of forests. As they walk around, insects can get on their fur. These insects can cause diseases. Baboons help each other by looking through fur and picking out the insects. They make sure to remove insects from places that a baboon cannot reach itself. How does living in a group help a baboon survive?

• A baboon that lives in a group is cleaner and healthier.

• A baboon that lives in a group has fur that is shorter.

• A baboon that lives in a group never gets any insects on its fur.

• A baboon that lives in a group does not walk as far on the forest floor.

Some bats live together in caves. At night, every bat flies out to find food for itself. Sometimes, a bat cannot find food because there is not enough food in the area. When the hungry bat comes back to the cave, another bat will give it some of its own food. How does living in a group help a bat survive?

• A bat living in a group needs less space in a cave.

• A bat living in a group can get food from other bats.

• A bat living in a group can find better caves for shelter.

• A bat living in a group doesn't hunt for food.

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What is one way that fish interact with other fish in order to help each other survive?

• hiding in plants

• swimming in schools

• eating plants

• breathing through gills

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Some animals live together in groups. The pictures above shows two kinds of birds and two kinds of fish in their groups. Snow geese and macaws are birds, and tangs and sardines are fish. Each of these animals lives together in a group. What do the pictures show about animals that live together in groups?

• Only fish live in larger groups, and only birds live in smaller groups.

• Only birds live in larger groups, and only fish live in smaller groups.

• Different animals live in different-sized groups.

• Different animals all live in smaller-sized groups.