What basic unit of hereditary is found on segments of dna and are passed on from parent to offspring?

Heredity has an impact on personal health, but environmental factors are important as well. select the best answer from the choices provided

What can be said about farmers in highly developed countries? a) they have little or no negative impact on the environment. b) they practice subsistence agriculture. c) they are able to incorporate polyculture into their farming practices. d) they utilize organic farming techniques on a regular basis. e) they rely on large amounts of energy from fossil fuels.

What is the ecological role of food chains and food webs