In seed plants, what is an important difference between gymnosperms and most angiosperms?
a. gymnosperms rely on animals to carry pollen from the female gametophyte to the male gametophyte, while angiosperms rely on wind.
b. gymnosperms require water for sperm to travel from the male gametophyte to the female gametophyte, while angiosperms do not rely on water for fertilization.
c. in gymnosperms, male gametophytes and female gametophytes are produced in different structures, while in angiosperms they are usually produced in the same structure. d. both gymnosperms and angiosperms produce seeds on the scales of cones, but angiosperms have flowers.
Answers: 3
Biology, 21.06.2019 22:00
There are specialized producers that live in warm water vents deep in the ocean. these producers do not per-form from photosynthesis, but instead perform a similar process with iron and other chemicals. why do you think these producers use this process instead of photosynthesis?
Answers: 1
Biology, 22.06.2019 07:00
Common symptoms of an iron-defiency anemia include muscle weakness shortness of breath and lightheadedness why does iron deficiency causes these symptoms
Answers: 2
In seed plants, what is an important difference between gymnosperms and most angiosperms?
Mathematics, 24.04.2020 02:58
Mathematics, 24.04.2020 02:58
Mathematics, 24.04.2020 02:58
Mathematics, 24.04.2020 02:58
Mathematics, 24.04.2020 02:58
Mathematics, 24.04.2020 02:58
Computers and Technology, 24.04.2020 02:59