Level 7 Level 9
Level 8

Unit 8 D


9 words 0 ignored

Ready to learn       Ready to review

Ignore words

Check the boxes below to ignore/unignore words, then click save at the bottom. Ignored words will never appear in any learning session.

All None

Ignore?
discovery
the act or process of finding something new
pollination
the process of moving pollen to the female part of a plant, fertilizing it.
threat
a person or thing likely to cause damage or danger.
production
the act or process of making something
disappearance
when something or someone is missing or stops being visible
survival
the act of continuing to live, especially under difficult circumstances
loss
the fact or process of losing something or someone
decline
to decrease, to fall, or as a noun a decrease or a fall
increase
to rise, or as a noun, a rise in something.