What is number 1 of the digestive system?
esophagus
What is foods main purpose?
to provide water
to provide carbon dioxide
to provide energy
to provide oxygen
Using the food web, number the organisms in order from the largest population to the smallest.
mouse, grasses, snake, hawk, coyote
vulture, mouse, grasshoppers, grasses
grasses, snake, mouse, vulture, coyote
grasses, grasshoppers, hawk, mouse, vulture
What is number 5 of the digestive system?
colon
What is not a true statement about decomposition in the environment?
Primary consumers gain nutrients from decomposition.
Plant decomposition is recycled into the environment.
Consumers could die if producers could not make food.
It does not help in an ecosytem.
Two of the labels are PRODUCTS of photosynthesis. What are they and what product is missing from the picture?
water, oxygen, leaves
light, water, sun
oxygen, carbon dioxide, sugar
oxygen, water, sugar
What conclusions can NOT be made from the picture?
Sardines population is related to the zooplankton population
zooplankton is a producer
lower you go on the food chain, the greater the population
Salmon is a third level consumer
What is number 2 of the digestive system?
stomach
Where do plants produce their food?
leaves
What is number 3 of the digestive system?
large intestine
A hummingbird needs a lot of energy which requires a lot of food (sugar) from plants. What does NOT describe something that helps a hummingbird get that energy from the plant?
tongue
wings
long beak
saliva
In this desert biome food web, would what have the largest population?
grasshopper
hawks
rabbits
bacteria
What does this plant NOT need to be able to make their own food?
carbon dioxide
water
light
sugar
What is number 4 of the digestive system?
small intestine
What is number 6 of the digestive system?
rectum
Plants are the major source of ___________ on Earth and help keep us alive.
oxygen