Which statement describes the relationship between the lizard and the frog on the food web?

heterotrophs compete for the same food source.
heterotrophs supply food for the autotrophs.
autotrophs and heterotrophs share the same food source.
autotrophs supply food for the heterotrophs.

Which of the following would be a body response when stepping outside without a coat on a snowy day? a. senaceous glands. secrete more senum b. more liquid is transported by the body to the skin fir insulation c. blood vessels in the skin narrow and contract d. blood vessels in the skin expand

What are the doorways into and out of cells, attached to the membrane, and built in the rough er.

Plz ! a scientist wants to produce a cow that makes a particular human protein in it’s milk the desired protein causes blood to clot and can be used to treat hemophilia (a blood clotting disorder). which of the following would be best for the scientist to use? a. genetic crosses. b. cloning. c. selective breeding. d. genetic engineering.