In seedless plants, haploid gametophytes are produced from
diploid spores that undergo mitosis.
haploid spores that undergo meiosis.
diploid spores that undergo meiosis.
haploid spores that undergo mitosis.

succession returns a disturbed

ecosystem to a more stable state. this is also classified into two (2) types:

primary succession and secondary succession. the primary succession arises when

a new land is transformed and a bare rock has been exposed providing an environment

that can be occupied for the first time. while, secondary succession occurs

when a previously occupied environment was disturbed that kills much of all its

community

explanation:

just finished the test, the answer is d, greg is the least cost-effective because he charges the most for the project