BIOLOGY Module 3: Selection Pressures

What are examples of biotic features of an ecosystem?

• Frog, pond, competition and rocks

• Rocks, air, water and temperature

• Mosquito, frog, feeding relationships and competition

• Grass, apple tree, soil and mates

What is the main difference between an aquatic and a terrestrial ecosystem?

What is a biome?

• another term for food webs

• a large human-made community of flora and fauna occupying a major habitat

• a large naturally occurring community of plants and animals occupying a major habitat

• an natural ecosystem which is home to a variety of animals occupying a specific area

What is an ecosystem?

What are examples of abiotic features of an ecosystem?

• Turtle, fish, mosquito and feeding relationships

• Water, air, temperature and sunlight

• Fox, oxygen levels, human and grain

• Sunlight, whale, krill and water

Define biodiversity

• the variety of habitats present in Australia

• the variety of plant and animal life in a particular habitat

• the factors affecting plant and animal survival

• the factors affecting the relationships between plants and animals in a particular habitat

Why is biodiversity important for the survival of a species?