2.1
暂无描述。系统推荐的高质量记忆内容，适合每天坚持背诵学习。
卡片预览 (13 张)
Population
The amount of a specific species living in the same place at the same time.
Population density
The # of a species/area
Population distribution
The pattern that the population forms
Clumped distribution
Species is spread out in clumps
Uniform distribution
Species is spread out evenly
Random distribution
Species is spread out all over in no specific pattern
Why might a population be clumped
A population might be clumped to avoid being singled out and eaten by predators
Why might a population be uniform
Resources are scarce and as a result species are very territorial
Why might a population be random
Seeds of a plant may be distributed by wind in a field where conditions are uniform
What is the pop. density of a 5 m x 5 m area if the data points of 5 quadrats are 4, 4, 3, 10, 7.
5.6
What is the pop. density of a 5 m x 5 m area if the data points of 5 quadrats are 4, 4, 3, 10, 7.
140
One night, you trap 40 mice, mark them, and let them go. Two nights later, you again trap 40 mice, and 9 of them are marked. What is the total number of mice in the meadow?
177
A species traveling together in groups so it’s easier for them to protect themselves from predetors is an example of
Clumping