Ecology

Question 1

Food web

Answer 1

Organisms eat more than 1 organism and involves lots of organismic

Question 2

Trophic levels

Answer 2

The levels of a food chain (pyramid).

1. The sun is the source of all energy in food chains. Green plants (usually the first level) absorb some of the sun’s light to make their own food by photosynthesis.
2. Primary consumer: Consume green plants. E.g insects, cows
3. Secondary consumer: Consume primary consumers. E.g lions, snakes
4. Tertiary consumer: Consume secondary consumers
5. Quaternary: Consume tertiary consumers.
6. Predators: Don’t have natural enemies, they are the bosses of their ecosystem.

Question 3

Food chain

Answer 3

The energy flow from one trophic level to the next

Question 4

Ecosystem

Answer 4

A habitat or a place where non-living and living factors interact with each other

Question 5

Symbiosis

Answer 5

Relationship in which two species live closely together, usually benefiting from each other

Question 6

Parasitism

Answer 6

Parasite benefits, host is hurt

Question 7

Commensalism

Answer 7

One species benefits, the other is neither hurt or helped

Question 8

Mutualism

Answer 8

Both species benefit

Question 9

Levels of organization in an ecosystem

Answer 9

Ecosystem population: a group of individuals of a given species that live in a specific geographic area at a given time
Ecosystem community: Includes all the populations in a specific area at a given time.
Ecosystem biome: A set of ecosystems sharing similar characteristics with their abiotic factors adapted to their environments
Ecosystem biosphere: the sum of all the ecosystems established on earth

Question 10

Ecosystem micro

Answer 10

Ecosystem micro: a small scale ecosystem such as a pond, puddle, tree trunk, Under a rock etc

Question 10

Ecosystem biome

Answer 10

Ecosystem biome: A very large ecosystem or collection of ecosystems with similar biotic and abiotic factors

Question 11

Ecosystem population

Answer 11

Ecosystem population: a group of individuals of a given species that live in a specific geographic area at a given time

Question 12

Ecosystem community

Answer 12

Ecosystem community: Includes all the populations in a specific area at a given time.

Question 13

Ecosystem biome

Answer 13

Ecosystem biome: A set of ecosystems sharing similar characteristics with their abiotic factors adapted to their environments

Question 14

Ecosystem biosphere

Answer 14

Ecosystem biosphere: the sum of all the ecosystems established on earth

Question 15

Tundra biome

Answer 15

Is the coldest biome, very little rain extremely freezing temperatures, two major are Arctic and alpine tundra

Question 16

Grassland biome

Answer 16

Two major ones savanna and temperate grassland, moderate rainfall,high summer and freezing winter temperatures.

Question 17

Forest biome

Answer 17

Main ones tropical rainforest,temperate and boreal forests, high temperatures, but on surface cool

Question 18

Aquatic biome

Answer 18

Two groups freshwater ( lakes, ponds) and marine (ocean, coral reefs)

Question 19

Desert biome

Answer 19

There are hot and dry, semi arid, coastal and cold,very high temperatures