Ecosystem

Question 1

species

Answer 1

group of organisms that are able to reproduce fertile offspring

Question 2

habitat

Answer 2

the place in which an organism lives

Question 3

population

Answer 3

the number of organisms of a species living in an area

Question 4

community

Answer 4

all the living organisms in an area

Question 5

ecosystem

Answer 5

all the living organisms and physical conditions present in an area

Question 6

biomass

Answer 6

the total mass of organisms in a given area

Question 7

abiotic factors

Answer 7

nonliving chemicals and physical factors that influence the living components of an ecosystem

Question 8

aspect

Answer 8

which direction a slope faces

Question 9

biotic factors

Answer 9

living components of an ecosystem interacting with one another

Question 10

primary consumer

Answer 10

animals that eat plants

Question 11

secondary consumer

Answer 11

animals that eat other animals

Question 12

tertiary consumer

Answer 12

Animals that eat secondary consumers

Question 13

soil abiotic factors

Answer 13

-pH, determines the type of plant
-Humus content, increases nutrient levels
-texture
-how much air it contains
-how much water the soil can hold

Question 14

physical abiotic factors

Answer 14

-aspect
-steepness, water flow will be affected
-altitude, affects pressure and the amount of oxygen

Question 15

climatic abiotic factors

Answer 15

-light, required for photosynthesis
-temperature, affects the rate of enzyme controlled reactions
-water transport, plant distribution
-wind, affects plant growth

Question 16

feeding relationships

Answer 16

-producers, make the food by photosynthesis
-consumers, can’t make their own food
-decomposers e.g. bacteria ,feed on decaying things to get the energy they need and release valuable nutrients back into the soil