How do decomposers contribute as part of a food web?
They break down organic matter to produce energy
The relationship between ocean depth, the availability of sunlight and ocean life is....
Sunlight is available only at depths of 200 m - 1,000 m
Which direction does Xylem move matter
Up the plant stem
Which environmental factor will cause a plant shoot to grow in a direction other than straight up?
Location of the light
Plants depend on animals to provide this crucial resource.
Carbon Dioxide
The producers in this food web are
Plankton
Which biome is described in the table?
Desert
Which direction does Phloem move matter?
Both up and down the plant
Which abiotic factor would cause decreased corn yield if the same field is planted every year & weather is similar?
Decrease in soil nutrients
This process uses sugar and oxygen to produce energy, water and carbon dioxide
Cellular respiration
The Carnivores in this food web are....
Dogfish, Cod, Tuna & Seals
This abiotic factor is the basis for a pond ecosystem?
Water
Which part of a tree takes up carbon dioxide?
Leaves
This feature might help plants survive in an environment with too many leaf-eating animals?
Sharp thorns
This process removes carbon dioxide from Earth's atmosphere.
Photosynthesis
The correct order of the flow of energy in any Food Chain is
Producer -> Herbivore -> Omnivore -> Carnivore
This biome is called..
Tundra
When a plant wilts, the stomata close. How does this help the plant?
It reduces further water loss
The reason grass is not growing beneath Tree B....
Too much shade
This process releases oxygen into Earth's atmosphere.
Photosynthesis
These animals get most of their energy from grass.
Grasshoppers, mice & rabbits
A biome is a collection of....
Ecosystems
The path water takes through a plant is
1 - 2 - 3 - 4 (Roots, trunk, branches, leaves)
This environmental factor causes leaves to change color in the fall
Change the amount of daylight / Shorter days
Plnat and animals carry out cellualr respiration to produce...
Energy to grow