If population size influences the chances of flowers surviving, then population size influences the chances of what surviving? Answer choices: - density - volume - flowers - animals - crocodiles - ducks - plants - oxygen
flowers

If killer whales are a marine species, then what are killer whales? Answer choices: - red and black - They have thick fur - dangerous - sharks - deep sea creatures - marine species - Absorb light - animals
marine species

If amphibians are the first true animals with backbones with four limbs, then amphibians are the first true what with four limbs? Answer choices: - members of their own species - to move people - warm-blooded - Due to their feet - animals with backbones - remains of prehistoric life - Something to move - Generating heat
animals with backbones