What is the definition of the term ecosystem? choose 1 answer

a. an environmentally friendly pattern of industry and manufacturing
b. an evolutionary process whereby plant life reclaims a particular area
c. regulations designed to control pollution by the federal government
d. interaction of plant and animal life in a particular environment
e. interaction of different cultures in a given region or population

Ayoung boy has been found and police are trying to locate his family they take a dna sample from him and begin collec dna samples from families who have missing children if police use dna samples only from the fathers, which type of dn technology can they use to identify the boy's parent? y-chromosome analysis omtdna (mitochondrial dna) analysis vntrs (variable tandem repeats) o pcr (polymerase chain reaction) analysis

How does photosynthesis show the conservation of mass and energy?

Which statement describes characteristics of planarians? a they live in oceans, are parasites, and reproduce only sexually. b they live in fresh water, are parasites, and reproduce only asexually. c they live in oceans, are free living, and reproduce sexually and asexually. d they live in fresh water, are free living, and reproduce sexually and asexually.