8. explain why ice stays at the top of oceans instead of sinking to the bottom. also, explain
how this supports life on earth.

Describe how alleles and genes are related

Plz ! for many generations farmers in north america have been choosing to cross corn plants with large ears of corn each year this results in the new generation of plants also growing large ears of corn. what is the technique called? a. selective breeding. b. natural selection. c. mitosis. d. asexual budding.

Which worm has eyespots that are used to detect light? a fluke b marine worm c planarian d tapeworm