19th of May flashcards
why does the moon appear to have different shapes
We can only see the parts of the moon that the sun is illuminating
What is the food web
A link of food chains
What is a moon
a moon is a natural satelitte that is normally rocky that orbits the planet
what is the producer
The first organism in the food chain
what caiuses seasons
The tilt of the earth on its axis rotating around the sun
what is the earth axis
An imaginary straight line from the north pole to the south pole that which the earth rotates
Why was DDT banned
it is an insecticide that can pass up the food chain it is not broken down.It can accumulate in birds of prey leading to a reduction in their population
what is a galaxy
A galaxy is a group of billions of stars