28. Plants

The portion of a flower that receives the pollen is the __________.

In gymnosperms, the seed coat develops from the integument. In angiosperms, the seed coat develops from the __________.

During pollination, pollen grains are transferred from the __________ to the __________.

A pea pod is formed from __________. A pea inside the pod is formed from __________.

After fertilization, the __________ develops into a seed, and the __________ develops into a fruit.

Which of the following best describes the function of fruits?

A plant is said to be cross-pollinated if __________.

The triploid nucleus of the embryo sac develops into the __________.

The pollen tube releases two sperm cells into the embryo sac. The result of this is the __________.

Of the following, which is a difference in how reproduction occurs in gymnosperms compared to angiosperms?

Where in an angiosperm would you find a megasporangium?a. in the style of a flowerb. enclosed in the stigma of a flowerc. within an ovule contained within an ovary of a flowerd. packed into pollen sacs within the anthers found on a stamen

Which of the following is a key feature of seed plants facilitating life on land?(A)homospory(B)pollen(C)reduced sporophytes(D)spores

Key features of seed plants facilitating life on land include three of the following four traits. Select the exception.a. homosporyb. pollenc. reduced gametophytesd. seeds

With respect to angiosperms, which of the following is incorrectly paired with its chromosome count?a. egg—nb. megaspore—2nc. microspore—nd. zygote—2n

Angiosperms are different from all other plants because only they havea. a vascular system.b. flowers.c. seeds.d. a dominant sporophyte phase.