Answer:
A food chain is a representation of what eats what in an ecosystem.
A combination of food chains is termed as a food web.
Example of two food chains in a food web are :
Example No 1:
Plant----- Grasshopper------ Frog---snake--- bacteria
Example No 2:
Plant---- rabbits---- fox---- bacteria
In a food chain, producers are usually plants and algae which are able to make their own food. Consumers feed on the plants. In example no 1, grasshoppers are primary consumers, frogs are secondary consumers, snakes are tertiary consumers.
In example no 2,plants are producers, rabbits are primary consumers and foxed are secondary consumers.
Decomposers are organisms that feed on the dead organisms in a food chain. In both the examples of food chain, bacteria are the decomposers.
How a bridge is built at the base can affect how far it can extend.
Answer:
They are unicellular
Explanation:
All plants beside seaweed (algae) are multicellular; they are made up of more than one cell.
Seaweeds are unicellular; they are made up of only one cell.
Answer:
Mutations in the HBB (beta-globin) protein causes symptoms of sickle cell disease.
