Question

block ______

1. primary succession: ecological succession that begins in an area where ______ biotic community previously existed (e.g., on bare rock).
2. secondary succession: ecological succession that occurs in an area where a biotic community previously existed but has been ______ (e.g., after a fire).
3. pioneer species: the ______ species to colonize a barren area during primary succession.
4. climax community: a ______, mature community that undergoes little or no change in species over time.
5. keystone species: a species that has a disproportionately large ______ on its environment relative to its abundance.
6. invasive species: a ______ species that spreads rapidly and causes harm to the environment, economy, or human health.
7. endemic species: a species that is ______ and restricted to a particular geographic region.
8. mimicry: an adaptation in which one organism evolves to ______ another organism or object.

Explanation:

To solve these fill - in - the - blank questions, we refer to the definitions in the field of Biology (a subfield of Natural Science) related to ecological concepts:

Question 12

• Explanation: Primary succession starts in an area with no previous biotic community.
• Answer: no

Question 13

• Explanation: Secondary succession happens in an area where the biotic community was destroyed (for example, by a fire).
• Answer: destroyed

Question 14

• Explanation: Pioneer species are the first to colonize a barren area in primary succession.
• Answer: first

Question 15

• Explanation: A climax community is a stable, mature community with little species change over time.
• Answer: stable

Question 16

• Explanation: Keystone species have a large impact (effect) on the environment relative to their abundance.
• Answer: effect

Question 17

• Explanation: Invasive species are non - native (introduced) species that spread rapidly and cause harm.
• Answer: non - native (or introduced)

Question 18

• Explanation: Endemic species are native and restricted to a particular geographic region.
• Answer: native

Question 19

• Explanation: Camouflage helps an organism blend in with its surroundings.
• Answer: blend in

Question 20

• Explanation: Mimicry is when an organism evolves to resemble another organism or object.
• Answer: resemble

Answer:

To solve these fill - in - the - blank questions, we refer to the definitions in the field of Biology (a subfield of Natural Science) related to ecological concepts:

Question 12

• Explanation: Primary succession starts in an area with no previous biotic community.
• Answer: no

Question 13

• Explanation: Secondary succession happens in an area where the biotic community was destroyed (for example, by a fire).
• Answer: destroyed

Question 14

• Explanation: Pioneer species are the first to colonize a barren area in primary succession.
• Answer: first

Question 15

• Explanation: A climax community is a stable, mature community with little species change over time.
• Answer: stable

Question 16

• Explanation: Keystone species have a large impact (effect) on the environment relative to their abundance.
• Answer: effect

Question 17

• Explanation: Invasive species are non - native (introduced) species that spread rapidly and cause harm.
• Answer: non - native (or introduced)

Question 18

• Explanation: Endemic species are native and restricted to a particular geographic region.
• Answer: native

Question 19

• Explanation: Camouflage helps an organism blend in with its surroundings.
• Answer: blend in

Question 20

• Explanation: Mimicry is when an organism evolves to resemble another organism or object.
• Answer: resemble