B4.2

Question 1

Define a niche.

Question 2

State factors that determine the niche of a species.​

Question 3

Compare niche generalists and specialists.

Question 4

Compare the different oxygen requirements of obligate anaerobes, facultative anaerobes and obligate aerobes.

Question 5

State the energy and carbon sources utilized in photosynthesis.

Question 6

List three groups of photosynthetic autotrophs. ​

Question 7

Outline the acquisition of energy and matter by holozoic animals.

Question 8

Distinguish between ingestion, digestion, absorption and assimilation.​

Question 9

Outline the acquisition of energy and matter by mixotrophic protists.

Question 10

State an example of a mixotrophic protist.

Question 11

Distinguish between obligate and facultative mixotrophs.​

Question 12

Outline the acquisition of energy and matter by saprotrophic organisms.

Question 13

List two example saprotrophic organisms.

Question 14

Compare location of digestion in saprotrophs and detritivore animals.

Question 15

Explain why all saprotrophs are decomposers but not all decomposers are saprotrophs.

Question 15

List the three domains of life.

Question 16

Outline the characteristics of archaea.

Question 17

Compare the energy source and carbon source in chemoautotrophs and photoautotrophs.

Question 18

List extinct and extant representatives of the Hominidae family of primates.

Question 19

Outline the physiological, morphological and/or behavioral adaptations of mammalian teeth for different diet types.

Question 20

Deduce the diet of an organism given dentition patterns.

Question 21

Outline the physiological, morphological and/or behavioral adaptations of leaf eating insects for feeding on plants.

Question 22

Outline the physiological, morphological and/or behavioral adaptations of plants for resisting herbivory.​

Question 23

Outline the chemical, physical and/or behavioral adaptations of predators for finding, catching and killing prey.

Question 24

Outline the chemical, physical and/or behavioral adaptations of prey animals for resisting predation.​

Question 25

Describe examples of adaptations for harvesting light, including height, lianas, epiphyte, shade-tolerance, and leaf surface area. ​

Question 26

Distinguish between the fundamental and realized niche. ​

Question 27

Explain competitive exclusion as a factor that can limit the distribution of a species in an ecosystem.

Question 28

Explain why two species cannot survive indefinitely in the same habitat if their niches are identical.

Question 29

State that organisms that can adapt to extreme niches encounter less competition and predation.​