The specialized cells, that allow a squid to flash red light when threatened, provide the structural adaptation called a.) mimicry b.) bioluminescence c.) circadian rhythm d.) camouflage a hard shell, stinging cells and sharp spiny projections are examples of a.) structural adaptations for defense. b.) behavioral adaptations for mating c.) behavioral adaptations for defense d.) structural adaptations for cammouflage

Write a paragraph at least 5 sentences “why all vaccinations should be mandatory”

The table shows dates and appearance of index fossils. which rock layers can be dated most precisely? a) a layer containing both a fossil 4 and a fossil 3 b) a layer containing both a fossil 2 and a fossil 3 c) a layer containing both a fossil 1 and a fossil 4 d) a layer containing both a fossil 1 and a fossil 2

Astudent reads the following text in a science book: scientific evidence tells us that the cause of earths four seasons is the tilt of earth as it revolves around the sound the student is instructed to illustrate this information in a science book. how will the student illustrate winter in the northern hemisphere? a. earths northern hemisphere will tilt away from the sun. b. earths northern hemisphere will tilt toward the sun. c. earths orbit will be farther away than from the sun d. earths southern hemisphere will tilt away from the sun.