If around Christmas in the Northern hemisphere, some animals' fur grows thicker fo staying warm, then why do some animals grow thicker fur around Christmas in the Northern hemisphere? Answer choices: - overheat - protect them - stay warm - climate - adding heat - warm other animals - stay cool - sun's heat
stay warm

If chromosomes are coiled structures made of deoxyribonucleic acid and proteins, then chromosomes are what made of deoxyribonucleic acid and proteins? Answer choices: - Something to move - the body's largest organ - they bend - allow growth - competing for resources - objects that have mass - coiled structures - more abundant
coiled structures

If feathers help birds fly and keep warm, then feathers help birds fly and what? Answer choices: - staying warm - keep warm - Absorb light - allow growth - keep birds - protect them - keep cool - keep grounded
keep warm