The correct answer is Chitin. Arthropods have an exoskeleton made of chitin. Usually, arthropod exoskeleton is wrapped by tough and thickened chitin that has many minerals and hardened proteins. Chitin can be found in the exoskeleton of crabs, lobsters, shrimps, and even squid.
Answer:
P(purple, short) = 3/16
Explanation:
Purple flowers require genotypes Pp, pP or PP
Short pollen grains require genotype ll
The genotypes are
PPll (1/16), Ppll (1/16), pPll (1/16) for a total of 3/16
Answer:
Behavioral adaptation
Explanation:
life-cycle adaptation would be like a tadpole growing legs.
physical adaptation would be a change in the animals body like wings for a bat.
reproductive would be beneficial for making offspring like a peacocks bright feathers that attract mates.
Behavioral adaptations are responses to external stimulus like heat.
So behavioral is the best option.
“D” would be the best answer choice for me.... not sure if it’s correct though