4)Ecological Niches

Question 1

Ecological Niches ?

Answer 1

• all the conditions necessary for an organism to survive and reproduce
  1) Ph and temperature
  2) Obtain energy and nutrients
  3) Avoid predators
  4) Cope with competition

Question 2

Competitive exclusion ?

Answer 2

• 1 species is more successful

- can result in extinction

Question 3

Competitive co-existence?

Answer 3

• 2 competing species survive in peace

- resource partitioning

Question 4

Resource partitioning ?

Answer 4

-evolutionary process whereby species with similar requirements living in the same habitat evolve specialized traits

Question 5

How can resources be partitioned?

Answer 5

1) different times
2) different parts of the habitat
3) different parts of the plant

Question 6

Resource partitioning in a forest ?

Answer 6

1) Tall trees (sunlight)
2) Shorter trees (less light intensity)
3) Pioneer species
4) epiphytes
5) herbaceous layer

Question 7

Resource partitioning in large herbivores ?

Answer 7

Giraffe and kudu are browsers

-different heights of plants

Question 8

Coexisting shorebirds?

Answer 8

1) feeding habits and morphology
Feeding - horizontal and vertical divisions ( tide line , deeper water)
Morphology - beaks and legs

Question 9

Coexisting predators ?

Answer 9

1) Hunting at different times
2) different types of prey
3) dietary nieche