Match the terms with the most suitable descriptions. area...

Match the terms with the most suitable descriptions. ____________ area effect ____________ pioneer ____________ species ____________ indicator ____________ species ____________ keystone ____________ species ____________ exotic ____________ species ____________ resource ____________ partitioning a. native species with large effect b. first species established in a new habitat c. more species on large islands than small ones at same distance from the source of colonists d. species that is especially sensitive to changes in the environment e. allows competitors to coexist f. often outcompete, displace native species of established community

Match the terms with the most suitable descriptions.
____________ area effect
____________ pioneer
____________ species
____________ indicator
____________ species
____________ keystone
____________ species
____________ exotic
____________ species
____________ resource
____________ partitioning
a. native species with large effect
b. first species established in a new habitat
c. more species on large islands than small ones at same distance
from the source of colonists
d. species that is especially sensitive to changes in the environment
e. allows competitors to coexist
f. often outcompete, displace native species of established community

Key Concepts

Species-Area Relationship

This concept describes how the number of species increases with an increase in area. It is fundamental in biogeography and underlies many theories about habitat size and species diversity patterns.

Pioneer Species

Pioneer species are the first organisms to colonize a previously disrupted or uncolonized habitat. They initiate ecological succession, thereby establishing an environment that makes it possible for other species to follow.

Indicator Species

Indicator species are organisms particularly sensitive to environmental changes. Their presence, absence, or abundance reflects the overall health of the ecosystem, making them valuable for monitoring and assessment.

Keystone Species

Keystone species have a disproportionately large impact on their ecosystem relative to their abundance. Their activities help maintain the structure and integrity of the community, influencing the survival and diversity of other species.

Exotic Species

Exotic species are those introduced into an ecosystem where they are not native. They often have the potential to outcompete, displace, or otherwise negatively impact the established native species and ecological balance.

Resource Partitioning

Resource partitioning refers to the process by which species divide a niche to avoid direct competition. By utilizing different resources or engaging in different behaviors, competing species can coexist within the same environment.

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