Food Chains
Structures
Adaptations
Ecosystems
100
Where do the carrots get their energy from?
They use the sun, water, and air to photosynthesize.
100
Which sentence describes animals that live in the desert?
A. They can survive on little water.
B. They need a lot of water every day.
C. They eat only other animals.
D. They eat only plants.
A. They can survive on little water.
100
Camels can live for months without water. What is one reason they can live without water for so long?
A. Their bodies never lose water.
B. Their bodies do not need water.
C. They live on fat that they store in their humps.
D. They live in cold, wet places.
C. They live on fat that they store in their humps.
100
In some places, only a little rain falls during the year. Most days are hot and dry.
Which plant grows the best in these places?
Cacti
200
What is the producer?
The Carrots
200
After water enters from the roots, how does the water travel up to reach the leaves?
a)roots
b)stems
c)leaves
b)stems
200
Cattails are one of the few kinds of plants that grow well in marshes. How are cattails different from the plants that do not live in marshes?
A. Cattails can grow very tall.
B. Cattails have green leaves that take in sunlight.
C. Cattails can grow well in soil that is always wet.
D. Cattails can live without soil, water, or sunlight.
C. Cattails can grow well in soil that is always wet.
200
A lion is classified as a consumer. What does this classification mean?
A. A lion walks on four legs.
B. A lion makes its own food.
C. A lion gets food by eating other organisms.
D. A lion sleeps deeply through cold winters.
C. A lion gets food by eating other organisms.
300
What is the third organism?
The frog
300
A bee is visiting the flower of a plant. How is the bee helping the plant?
A. The bee is carrying seeds to new places.
B. The bee is eating a part of the plant.
C. The bee is removing pollen that can harm the plant.
D. The bee is spreading pollen, which helps the plant make seeds.
D. The bee is spreading pollen, which helps the plant make seeds.
300
Leaves need water. How does water reach a leaf, even when the weather is not rainy?
a)roots
b)stems
c)leaves
a) roots
300
Which type of animal would be best supported by this environment?
a) zebra
b) bat
c) squirrel
d) turtle
d) turtle
400
What eats the frog?
The snake/ fourth organism
400
A dandelion makes fluffy white parts that the wind can carry. How do these parts help the dandelion?
A. They carry dandelion seeds to new places.
B. They carry pollen from one dandelion to another.
C. They stop animals from eating the dandelion.
D. They grow into new dandelion flowers.
A. They carry dandelion seeds to new places.
400
Observe the two different kinds of leaves shown in the photos. How do both kinds of leaves help a plant survive?
A. Both soak up water for the plant.
B. Both make seeds that can grow into new plants.
C. Both use sunlight to make food for the plant.
D. Both change into roots and stems that hold up the plant.
C. Both use sunlight to make food for the plant.
400
The food chain shown here is missing the organism in the middle. Which is the most likely missing organism?
A. small grasses that grow around the tree
B. a bird that builds its nest in the tree
C. mushrooms that grow on the wood of the tree
D. a deer that eats the leaves of the tree
D. a deer that eats the leaves of the tree