Asked by Sameer Ishaq on May 10, 2024
Verified
Which organism is an r-selected species?
A) a saguaro cactus
B) a rhinoceros
C) a human
D) an insect
R-Selected Species
Species characterized by high reproductive rates, small body sizes, and short life spans, typically exploiting unstable or unpredictable environments.
- Identify the differences in reproductive tactics between K-selected and r-selected organisms.
Verified Answer
DM
Diane Musgrave
May 16, 2024
Final Answer :
D
Explanation :
An r-selected species typically has a high reproductive rate, short life span, and low parental care. Insects such as fruit flies or mosquitoes fit this description, whereas organisms such as saguaro cactus, rhinoceros, and humans have a longer life span, lower reproductive rate, and higher parental investment, which are characteristics of K-selected species.
Learning Objectives
- Identify the differences in reproductive tactics between K-selected and r-selected organisms.
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