Biomes - Section 1.2 Quiz

Which of the following lists is correctly organized from largest to smallest in size?
1. Biome, ecosystem, community, population, single species
2. Ecosystem, biome, community, population, single species
3. Biome, community, ecosystem , population, single species
4. Biome, ecosystem, population, community, single species
Which statement best describes what a habitat is?
1. The place where an organism lives
2. An area that contains abiotic and biotic components essential for life
3. The role an organism takes
4. Large regions with similar climate, as well as abiotic and biotic components
Which of the following is not an important abiotic component of ecosystems?
1. Wastes
2. Soil
3. Sunlight
4. Water
Which of the following would be most directly affected by changing amounts of sunlight in an ecosystem?
1. The species that can undergo photosynthesis
2. The species that hibernate
3. The species that are nocturnal
4. The species that are warm-blooded
Which of the following important characteristics is not associated with soil?
1. One of the most important biotic factors in an ecosystem
2. Contains many important nutrients
3. Home for many species of bacteria, insects and worms
4. Provides a base for plant species to grow in
The remora is a type of fish that has a special sucker on the top of its body. It frequently attaches itself to large fish like sharks, and will feed on the scraps left over when the shark feeds. The remora does not harm the shark in any way, and the sharks do not feed on the remora.

What type of symbiotic relationship do the shark and remora have?
1. Commensalism
2. Parasitism
3. Mutualism
4. Organicism
Many sloth species in South and Central America have algae growing in their fur. The algae live on the heat, humidity and food source provided in the sloth’s fur, and the sloth becomes camouflaged against tree trunks with the green tinge to their fur.

What type of symbiotic relationship do the sloth and algae have?
1. Mutualism
2. Commensalism
3. Parasitism
4. Organicism
Each organism has a special role that it plays in the ecosystem in which it lives. It interacts with other organisms and utilizes abiotic components in its ecosystem.

What term is best described by the paragraph above?
1. Niche
2. Role
3. Habitat
4. Biome
Coyotes will hunt together in packs to catch large prey like deer, but will battle against each other to catch smaller prey if no large animals are available.

Which concept do this coyote behaviour illustrate?
1. Competition
2. Niche
3. Mutualism
4. Commensalism
An important food source for bald eagles in the Pacific Northwest is salmon.

Which of the following statements would likely be true?
1. Bald eagle populations would increase and decrease in the same general pattern as salmon population
2. Bald eagle populations would increase and decrease without any correlation with salmon populations
3. As more bald eagles die, more salmon will die as well
4. As more salmon are born, less bald eagles will be able to survive

Ecosystems - Section 1.2 Quiz