Energy Biomass Flashcards
What is a Pyramid of biomass?
a revile of the mass of living material at each stage in a chain.
what happen to the amount of material and energy further down the food chain?
it decreases .
What direction do the arrows in a food chain point to?
The direction of energy flow (e.g from the prey to the predator.)
What is the ultimate source of energy?
Radiation from the sun
What absorbs the sun’s energy?
Green plants and Algae.
What do Green Plants and Algae transform the sun’s light into?
Chemical energy.
What is the process when Green Plants and Algae turn the suns light into chemical energy called?
Photosynthesis.
What is a Primary Consumer?
A creature that gets its energy from consuming (eating) other organisams.
What is a Producer?
green plants and algae
they make food by photosynthesis
What is a secondary consumers?
they are carnivores that are the second in the food chain for example cats, dogs and lions.
What is a predator?
an animal that kill for food, they are either secondary or tertiary consumers
What is prey?
the animals that predators feed on.
What is a scavenger?
an animal that feed on dead animals for example, crows, vultures and hyenas are scavengers.
What is a decomposer?
an animal that feeds on dead and decaying organisms, and on the undigested parts of plant and animal matter in faeces