Living Interactions Note Review and Practice Test

Multiple Choice

What is the study of Ecology primarily concerned with?

• Investigation of chemical reactions
• Analysis of historical events
• Study of celestial bodies
• Interactions between organisms and their environment

Multiple Choice

What does the term 'Biotic' refer to in the context of the environment?

• Living organisms
• Geological formations
• Weather patterns
• Non-living things

Multiple Choice

What are the 5 levels of Environmental Organization?

• Organism, Population, Community, Ecosystem, Habitat
• Individual, Group, Society, Biome, Biosphere
• Species, Colony, Society, Environment, Biosphere
• Organism, Population, Community, Ecosystem, Biosphere

Multiple Choice

What is a population in the context of ecology?

• All the individuals of a particular species living in a specific area or region.
• The total number of species in an ecosystem
• The number of individuals in a single household
• A group of unrelated organisms

Multiple Choice

What best describes a community in biological terms?

• A single species living in a particular habitat
• Interacting populations of different species living together in a particular habitat
• A group of unrelated individuals living in different habitats
• A collection of non-living things in a specific area
• A combination of abiotic factors in an ecosystem

Multiple Choice

What constitutes an ecosystem?

• Living organisms and their physical environment.
• Only animals without their environment
• Physical environment without living organisms
• Only living organisms

Multiple Choice

What is the biosphere?

• The biosphere is the layer of the atmosphere where living organisms exist.
• The biosphere refers to the study of fossils and ancient life forms.
• The biosphere is a term used to describe the process of photosynthesis in plants.
• The biosphere is the global ecological system integrating all living beings and their relationships.

Multiple Choice

What types of organisms are typically producers in the ecosystem?

• Plants, algae, and some bacteria
• Protozoa, archaea, and fungi
• Insects, reptiles, and birds
• Fungi, viruses, and mammals

Multiple Choice

What is a herbivore?

• An animal that primarily feeds on rocks.
• An animal that primarily feeds on metal.
• An animal that primarily feeds on air.
• An animal that primarily feeds on plants.

Multiple Choice

What is a carnivore?

• An animal that primarily eats plants.
• An animal that primarily eats rocks.
• An animal that primarily eats air.
• An animal that primarily eats meat.

Multiple Choice

What does a secondary consumer eat?

• Tertiary consumers
• Producers
• Decomposers
• Primary consumers

Multiple Choice

What is tertiary consumer?

• An organism that feeds on secondary consumers.
• An organism that feeds on decomposers.
• An organism that feeds on producers.
• An organism that feeds on primary consumers.

Multiple Choice

What is the role of the decomposers in the ecosystem?

• Decomposers create new organisms in the ecosystem
• Decomposers increase the acidity of the ecosystem
• Decomposers reduce the amount of oxygen in the ecosystem
• Decomposers break down dead organisms and organic matter, releasing nutrients back into the ecosystem.

Multiple Choice

What does the arrow in a food chain represent?

• Type of organism
• Amount of water consumed
• Flow of energy
• Direction of movement

Multiple Choice

How many paths of energy flow are shown in a food web?

• There are no paths of energy flow in a food web
• The number of paths of energy flow in a food web is always fixed
• Energy flow in a food web only moves in one direction
• The number of paths of energy flow in a food web varies depending on the specific ecosystem and the interactions between organisms.

Multiple Choice

Where is the most energy available in an Energy Pyramid?

• Producers level
• Tertiary Consumers level

• Consumers level
• Secondary consumers level

Multiple Choice

What does a trophic level refer to in an ecological context?

• Position in a food chain
• Climate change impact on biodiversity
• Population size in a habitat
• Energy flow in an ecosystem

Multiple Choice

Based on the energy pyramid diagram, how much energy do the tertiary consumers receive if the primary producers start with 10,000 J of energy?

• 10 J
• 1,000 J
• 5 J
• 100 J

Multiple Choice

What role do gray wolves play in the food web according to scientists?

• Gray wolves have no impact on the food web and are insignificant in ecosystems.
• Gray wolves are herbivores, feeding on plants and fruits.
• Gray wolves are scavengers, relying on dead animals for food.
• Top predators in the food web, controlling prey populations and maintaining ecosystem balance.

Multiple Choice

What is a Keystone species?

• A Keystone species is a species that is extinct.
• A Keystone species is a species that has no impact on its environment.
• A Keystone species is a species that is only found in urban areas.
• A Keystone species is a species that has a disproportionately large effect on its environment relative to its abundance.

Multiple Choice

What ecological effect did the reintroduction of gray wolves have on Yellowstone National Park?

• Trophic cascade effect
• Habitat destruction
• Climate change
• Increase in biodiversity

Multiple Choice

What would be the limiting factor for frogs living in a vernal pond?

• Drying up of the pond
• Overabundance of food
• Lack of predators
• Excessive rainfall

Multiple Choice

What is the carrying capacity in an ecological context?

• The carrying capacity is the average population size of a species in an ecosystem.
• The carrying capacity is the minimum population size of a species that the environment can sustain indefinitely.
• The carrying capacity is the maximum population size of a species that the environment can sustain temporarily.
• The carrying capacity is the maximum population size of a species that the environment can sustain indefinitely.

Multiple Choice

Which is an example symbiotic relationship?

• Trees and sunlight
• Cats and dogs
• Bees and flowers
• Lions and zebras

Multiple Choice

Which is an example of ecological competition?

• Plants absorbing sunlight for photosynthesis
• Two species of birds fighting over the same nesting site.
• A lion hunting a zebra
• Two species of birds sharing food peacefully

Multiple Choice

Describe the predator prey graph between lynx and snowshoe hare.

• The lynx population remains constant regardless of the snowshoe hare population
• The snowshoe hare population follows the lynx population
• The lynx population decreases when the snowshoe hare population increases
• The predator-prey graph between lynx and snowshoe hare shows cyclic fluctuations where the lynx population follows the snowshoe hare population with a time lag.

Multiple Choice

How is warning coloration a defence for prey?

• Warning coloration deters predators by signaling toxicity or danger.
• Warning coloration attracts predators for easy prey.
• Warning coloration helps prey blend in with their environment.
• Warning coloration is used by prey to camouflage themselves.

Multiple Choice

Hermit crabs live in shells made and then abandoned by snails. This relationship neither helps nor harms the snails. Which interaction is this?

• Mutualism
• Predation
• Commensalism
• Parasitism

Multiple Choice

Ostriches and Gazelles feed next to each other. They both watch for predators and alert each other to danger. Since the visual abilities of the two species are different, they can each identify threats the other animal would not as readily see. What type of interaction is this?

• Commensalism
• Competition
• Parasitism
• Mutualism

Multiple Choice

 The stork uses it saw-like bill to cut up the dead animals it eats. As a result, the dead animal carcass is accessible to some bees for food and egg laying. The relationship neither harms nor benefits the stork.

• Mutualism
• Predation
• Parasitism
• Commensalism

Multiple Choice

Which of the following symbiotic relationships is considered parasitic?

• The relationship between a tick and a dog
• The relationship between a rhino and an oxpecker bird
• The relationship between a clownfish and a sea anemone
• The relationship between a bee and a flower

Multiple Choice

Which of the following is the best example of coevolution?

• Birds and reptiles
• Flowering plants and pollinators, such as bees
• Dogs and cats
• Trees and soil