Animals and the Environment

Ecological valence specifies
1. conditions for survival.
2. a range.
3. the environment.
Each organism is influenced by conditions
1. abiotic and biotic.
2. ecological and biotic.
3. ecological and abiotic.
The organism is an open system because between the organism and the environment there is ...
1. an exchange of materials and energy.
2. an energy supply.
3. a removal of waste products.
The Gaussian bell-shaped curve determines
1. ecological valence.
2. a body temperature.
3. a pressure and temperature environment.
Liebig's law concerns
1. conditions of survival for organisms.
2. the protection of nature.
3. an open system.
The limiting factor is the condition
1. important for survival.
2. for nutrition.
3. for reproduction.
Bioindicators are
1. organisms.
2. plants.
3. chemicals.
4. animals.
Division of organisms according to their ecological valence:
1. stenovalent and euryvalent.
2. stenovalent and optimal.
3. euryvalent and optimal.
Stenovalent organisms are
1. with narrow valence.
2. with wide valence.
3. with no valence at all.
Euryvalent organisms are
1. with wide valence.
2. with narrow valence.
3. with optimal valence.