Question

19 multiple choice 4 points what did charles darwin propose after observing the 11 - inch - long nectaries of the angraecum sesquipedale orchid in madagascar? that the orchid was an evolutionary dead end and could no longer reproduce the existence of a pollinator moth with a proboscis of 10 - 11 inches that the orchid was a self - pollinator and required no assistance from an organism that the orchid must reproduce asexually the presence of very small bees that can fit into a long nectar tube clear my selection 20 multiple choice 4 points an ecosystem would include all of the following except none of the answer choices are correct. a community that may include primary producers, consumers, and decomposers. nonliving air, water, soil, and other components in an area.

Explanation:

1. Charles Darwin proposed the existence of a pollinator moth with a proboscis long enough to reach the nectar in the 11 - inch - long nectaries of the Angraecum sesquipedale orchid. This was based on the concept of co - evolution.
2. An ecosystem consists of a community (primary producers, consumers, decomposers) and non - living components (air, water, soil etc.). Since the options given do not exclude something that is not part of an ecosystem, the answer is that none of the answer choices are correct.

Answer:

1. the existence of a pollinator moth with a proboscis of 10 - 11 inches
2. None of the answer choices are correct.