Ecology Review

The term 'biotic' refers to

• Non-living

• Organisms

• Living

• Soil

Which of the following is not an abiotic factor

• Grass

• Sunlight

• Soil nutrients

• Water

Which of the following best defines the term 'ecosystem'?

• An area where organisms interact with each other and their environment

• An area where organisms live, feed and reproduce

• A place that is defined by a set of parameters such as the temperature, availability of water and soil type.

• A large naturally occurring community of flora and fauna occupying a major habitat

Photosynthesis is a process carried out by plants and animals

• TRUE

• FALSE

The word equation for respiration is

_______ + oxygen --> carbon dioxide + water + energy

A population can be defined as

• the amount of organisms in the world

• the number of living and non-living things in one particular area

• a group of the same species that live in a particular place at a particular time

• a group of living and non-living things live in a particular place

Approximately how much energy is lost as heat at each trophic level (or as each organism is consumed)?

• 10 %

• 30 %

• 60 %

• 90 %

Consider the food chain below.

Grass --> beetle --> lizard --> dingo

Identify which of the following describe the role of the lizard.

• producer

• first order consumer

• second order consumer

• third order consumer

What is the relationship between

A cat that eats a mouse?

• competition

• commensalism

• mutualism

• predator-prey

What is the relationship between

A tick that lives in a bobtails ear?

• Commensalism

• Predator-Prey

• Parasitism

• Competition