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Chemical Control - Ecosystems
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。
卡片总数: 6 张•内容版本: v3•公开卡包•更新时间: 8/1/2026
卡片预览 (6 张)
#1
正面 (问题)
What are the two ways to control pests’ population?
背面 (解答)
Chemical control and biological control.
#2
正面 (问题)
What is biological control?
背面 (解答)
This is when predators of a pest or competitors to a pest are introduced into an area in order to destroy or control the pests’ population.
#3
正面 (问题)
What are pesticides?
背面 (解答)
Pesticides are chemicals that are used to control animals that compete with humans for food crops. This is called chemical control.
#4
正面 (问题)
What are fungicides?
背面 (解答)
These are chemicals that are used to kill fungi.
#5
正面 (问题)
What are herbicides?
背面 (解答)
Herbicides are chemicals that are used to kill plants that compete with crops for sunlight, water and nutrients.
#6
正面 (问题)
What are fumigants?
背面 (解答)
Fumigants are gas forms of chemicals used to control pests.