Food chain...grasses-insects-bird-snake-large bird. What would happen if all the insects died out?
The number of birds (what eats the insects) would decrease
How can you explain the energy transfer within an ecosystem?
inefficient- a great loss from one trophic level to another
The energy from the sun is transferred to heterotrophs by what means?
indirectly- by eating a producer
Subsystem identifying water.
biosphere
geosphere
hydrosphere
atmsophere
Which type of consumer is primarily located in trophic levels 3 & 4?
carnivore
Why do large, top predators (tertiary consumers) need to eat more than a primary consumer?
The amount of energy they receive from what they eat is much less than that of a primary consumer.
Which organism is the base of the food chain and supports the whole ecosystem?
Producers (plants, autotrophs)
Which type of consumer eats both plants and animals?
omnivore
In what trophic level on the energy pyramid do you find a primary consumer?
the second
Which type of relationship exists if a wolf eats a squirrel?
Predator-prey
Subsystem identifying land.
geosphere
hydrosphere
atmosphere
biosphere
Which factors can determine the climate of a given location?
abiotic factors
What is the difference between a habitat and niche?
Habitat is where the organism lives (gets water, food, shelter, space). Niche is the role the organism plays within their environment (producer, consumer).