Will give brainliest.
3) What impact did the evolution of angiosperms have on life on Earth?
Write your response in complete sentences, and include the answers to
the following questions in your writing:
a) How long ago did angiosperms appear on Earth?
b) Which characteristics made them unique from
already-existing plants?
c) In which period of geologic time did they appear?
d) Identify two other organisms that lived during this time.
e) Which type of organism also appeared in great numbers
alongside angiosperms?
Answers
Answer:
3)The angiosperms dominate Earth's surface and vegetation in more environments, particularly terrestrial habitats, than any other group of plants. As a result, angiosperms are the most important ultimate source of food for birds and mammals, including humans. ... Flowering orchids.
a)The earliest plants generally accepted to be angiospermous are known from the Early Cretaceous Epoch (about 145 million to 100.5 million years ago), though angiosperm-like pollen discovered in 2013 in Switzerland dates to the Anisian Age of the Middle Triassic (about 247.2 million to 242 million years ago), suggesting ...
d) one was eudicots..some info about them:-
Once the noneudicots are excluded, the remaining dicots form a well-supported clade referred to as the eudicots. This group contains, by far, the vast majority of angiosperm species; approximately 75 percent of all angiosperms are eudicots. Eudicots include most familiar angiosperm families.
Explanation:
Answer:
(A)about 145 million to 100.5 million years ago
(B)They make their own food.
(C) Jurassic Period
(D) Arthropods, mollusks, fish, amphibians, synapsids, and diapsids
(E) Both these plant groups contain ovule which develops into the seed structure after the process of fertilization
Explanation: