Science Review

1. A scientist is interested in learning how chimpanzees live in a group. She has noticed that they look for food together. They teach each other how to use sticks as tools. She notices that chimpanzee mothers are very important to the group. They stay with their young and teach them how to be chimpanzees. How does living in groups help chimpanzees survive?

• A. Chimpanzees work together to meet their needs.

• B. It is easier for chimpanzees to find sticks when they are in groups.

• C. Chimpanzee mothers can leave their young when they go to find food.

• D. It is easier for scientists to study chimpanzees when they are in groups.

2. Zebras live in large herds. When they are all together, their stripes are confusing. This makes it difficult to see where the zebra is. How could living in a herd help a zebra to survive?

• A. Predators are afraid of big herds of zebras. They will not attack them.

• B. Zebras make huffing sounds to communicate with other zebras in the herd.

• C. Predators will not know where to attack because of the zebras stripes.

• D. Predators like to attack big herds of zebras. They do not attack zebras who are alone.

3. Arianna's family got a new puppy. Arianna wants to tell her friends about the puppy. She makes a list to describe it. Which trait would the puppy inherit from its parents?

• A. Four legs and white fur

• B. Four legs and sits on command

• C. white fur and wears a blue collar

• D. sits on command and can fetch a ball

4. Jamal has 3 kittens. Each kitten has 4 legs, two eyes, a tail and whiskers. One of the kittens likes to sleep all day. The other kittens play a lot. Also, each kitten has different patterns and colors of fur. Which answer best explains why these kittens have different patterns and colors of fur?

• A. The kittens eat different food.

• B. The kittens have different mothers.

• C. The kittens got different traits from their parents.

• D. The kittens got the same traits from their parents, but like to do different things.

5. Miguel wanted to compare Flamingos living at the zoo to flamingos living in the wild. He created a diagram. Based on the diagram, why might the flamingos in the zoo have pale pink feathers instead of bright pink feathers?

• A. They eat pellets

• B. They have long necks

• C. They have curved beaks

• D. They eat shrimp and algae

6. Jeremiah helps his uncle with gardening. They plant 2 rose bushes. They plant one in the yard (Plant 1) and they plant the other one in a pot on the porch (Plant 2). He observes the plants for weeks and makes a chart to compare the plants. Which statement about the rose bushes is true?

• A. The heights of the bushes depend on where they were planted.

• B. The color of the bushes leaves depend on where they are planted.

• C. The color of the bushes flowers depend on where they are planted.

• D. The location of the bushes is a trait that comes from the parent plants.

7. Two calves (young cows) are born to the same parents on a dairy farm. The calves , named Moo and Spot, then move to two different dairy farms. The table compares the cows after they have moved. Which relationship is shown in the chart?

• A. Cows that eat more food make less milk.

• B. Cows that weigh more produce more milk.

• C. Cows that live in cooler temperatures make more milk.

• D. Cows with different parents make different amounts of milk.

8. The biologist sees a flamingo chick that just hatched from its egg. What life stage will the flamingo chick go through next? How did you find your answer?

9. The biologist knows that the African Wild dogs that hunt wandering flamingos also live in groups. A group of African wild dogs is called a pack. She wonders why these animals live in groups. Why do African wild dogs live in packs?

10. What best describes why packs keep the wild dogs safe from predators?

• A. The wild dogs hunt the predators for food.

• B. Females leave the pack when predators are around.

• C. They hunt by working together to chase down and trap prey.

• D. The dogs can fight the predators off with their large numbers.