B7- Ecosystems, competition affectors

Question 1

What is an ecosystem?

Answer 1

interaction of biotic and abiotic parts of their environment.

Question 2

what is a population

Answer 2

all organisms of 1 species living in a habitat

Question 3

community

Answer 3

different specis living in a habitat

Question 4

what do plants compete for? what does it mean? some hows ( 3 PARTS)

Answer 4

LIGHT: large surface area= more chloroplast
SPACE: stem height, root system
MINERAL IONS SOIL: root hair cells
WATER IONS SOIL: root hair cells

Question 5

what are animal adaptations for competition?

Answer 5

muscle mass- speed + strength
camouflage
sharp teeth + clwas

Question 6

what is the INTERDEPENDENCE of a species
+ examples

Answer 6

species depending on each other in a community,
- food, shelter, pollination, seed dispersal

Question 7

IMPORTANT: what are some abiotic factors

Answer 7

Soil PH
water
temperature
wind
light intensity
O2, CO2 conc

Question 8

IMPORTANT: what are some biotic factors?

Answer 8

competition
new predators
plant + animal food availability
new pathogens

Question 9

what are producers (food chain)?

Answer 9

-food chains start with producers (bottom)
-can make their own food (photosynthesise)

Question 10

how does the food chain order go?
what is transfered in this process

Answer 10

-producer> primary consumer>secondary consumers>tertiary consumers
-energy gets transfered through living organisms in this process