14.2 abiotic and biotic factors

0.0(0)
studied byStudied by 0 people
0.0(0)
full-widthCall Kai
learnLearn
examPractice Test
spaced repetitionSpaced Repetition
heart puzzleMatch
flashcardsFlashcards
GameKnowt Play
Card Sorting

1/5

encourage image

There's no tags or description

Looks like no tags are added yet.

Study Analytics
Name
Mastery
Learn
Test
Matching
Spaced

No study sessions yet.

6 Terms

1
New cards

what is an abiotic factor

non living factors in an ecosystem

2
New cards

abiotic factors examples (7)

moisture level

light intensity

temperature

carbon dioxide level(of plants)

wind intensity and direction

oxygen level(for aquatic animals)

soil ph and mineral content

3
New cards

eg of change in abiotic factor changing population size of species (soil mineral plants )

decrease in nitrates and minerals in soil could cause nutrient defficiences affecting plant growth and population

4
New cards

what is a biotic factor

living factors in an ecosystem

5
New cards

biotic factors examples(4)

new predators arriving

compeptition(numbers become too low to breed)

new pathogens availablity of food eg decrease in plant population

6
New cards

why is population of red squirrels in uk decreasing 

biotic factor of increased population from grey leading to competition for resources