The invasion of non-native plant species altered the ecosystem, reducing the habitat available for local insects.
非本地植物物种的入侵改变了生态系统，减少了当地昆虫可用的栖息地。
Which choice best defines “invasion”?
C — Entering by force. “invasion” means entering by force.
Which word means “entering by force”?
A — invasion. “invasion” means entering by force.
invasion — entering by force. In Chinese: 入侵，侵略.
invasion is pronounced /ɪnˈveɪʒn/.
The invasion of non-native plant species altered the ecosystem, reducing the habitat available for local insects. (非本地植物物种的入侵改变了生态系统，减少了当地昆虫可用的栖息地。)
incursion, raid, foray — all close in meaning to invasion (entering by force).
retreat, withdrawal — each the opposite of invasion (entering by force).
Yes. invasion is on the SAT Prep Basic list — the everyday academic words the SAT assumes you already have. The Digital SAT does not test vocabulary in isolation; words like this one are tested through Words in Context questions, where you choose the word that completes a passage most logically and precisely.
in(enter)+vade(walk)