Post on 04-May-2023
Interactions and interdependencies
1 Give one word for the following descriptions: 1.1 The sum total of all the ecosystems on Earth. Biosphere 1.2 Interdependence in ecosystems Symbiosis
1.3 A group of one type of living organism found in one habitat.
Population 1.4 The variety of life that is found in one ecosystem. Biodiversity
Interactions and interdependencies
1.5 A relationship where one party benefits while the other party is neither advantaged nor disadvantaged.
Commensalism 1.6 All the organisms of a specific type that live in an
ecosystem. Population
Interactions and interdependencies
1.7 All the populations in one habitat Community 1.8 An area where all living and non-living factors interact with
each other and are interdependent on each other, e.g. a jungle.
Ecosystem
Interactions and interdependencies
1.9 A relationship where both parties benefit. Mutualism 2. Match column A to column B by writing down the correct
letter next to the description:
Interactions and interdependencies
Column A Column B
The relationship between ants and plant lice
C A. Parasitism
The area where plants and animals live.
E B. Ecology
Interactions and interdependencies
Column A Column B
The relationship between a clown fish and an anemone.
D
C. Mutualism
Interactions and interdependencies
Column A Column B
A herd of springbok on the grasslands F D. Commensalism
The study of living organisms and the places they live.
B E. Habitat
Interactions and interdependencies
Column A Column B
The relationship between humans and tapeworms
A F. Population
Interactions and interdependencies
3.1 What is the difference between biotic and abiotic factors in an ecosystem?
Biotic factors: living organisms in an ecosystem Abiotic factors: non-living factors in an ecosystem 3.2 Name four biotic factors you can observe in the photos. Any four: Elephant, leopard, giraffes, buffalo, trees, grass
Interactions and interdependencies
3.3 Name three abiotic factors you can observe in the photos. Any three: Soil, climate, sunlight, oxygen, carbon dioxide
3.4 What type of symbiosis exist between the leopard and the tree?
Commensalism
Interactions and interdependencies