The spiny hedgehog is a small, insect-eating animal whose body is covered by spines.
When threatened, the hedgehog rolls itself
into a ball, with all its spines facing outward.
Which of these protective strategies does the
spiny hedgehog exhibit when threatened?
A camouflage
B chemical defense
C mimicry
D physical defense

Afarmer has applied a pesticide to control a pest population that is affecting her crops. the pest population has reacted as shown below. which best describes the process that the pest population has experienced due to this environmental change? a genetic diversity b natural selection c natural resistance d genetic resistance

(99 points) be serious! how do farts work? how do you fart without it stinking? serious answers only

“in 1492 columbus sailed the ocean blue” is an example of: a)explicit memory b) procedural memory c) semantic memory d)episodic memory