Ecology

Question 1

Define environment

Answer 1

The abiotic and biotic factors

Question 2

Distinguish between abiotic and biotic factors

Answer 2

Abiotic factors are the non living chemical and physical factors, and the biotic factors are the living factors

Question 3

Distinguish between a niche and habitat

Answer 3

A niche is the role of an organism in an ecosystem, while a habitat is a place where a particular organism lives

Question 4

Distinguish between a population and community

Answer 4

A population is all the members of a particular species living together in a particular habitat, and a community is all the populations of different species living together in a particular habitat

Question 5

Distinguish between species and population

Answer 5

A species is a group of individuals of common ancestry that closely resemble each other and are normally capable of interbreeding to produce a fertile offspring

A population is members of a particular species living in a particular habitat

Question 6

Impacts of Soil on living organisms

Answer 6

The type of soil, its pH, texture, and nutrient availability determine which plant species can thrive in a particular area.

Soil provides nutrients for plants
Plants obtain water from the soil

Question 7

Impacts of water on living organisms

Answer 7

The availability of water affects the distribution and abundance of organisms. Water quality impacts the types of organisms that can survive in a given habitat.

Question 8

Impacts of climate on living organisms

Answer 8

Temperature affects metabolic rates, growth, reproduction and survival. Organisms have specific temperature ranges within which they can function optimally. Extreme temps can be detrimental to many organisms