2. The female gametophyte is a structure called an
embryo sac, while the male gametophyte is a
structure called a pollen grain. When pollen attaches to the stigma of
a flower, one of the sperm cells fertilizes an egg cell, producing a
zygote. Another sperm cell fertilizes the polar
nuclei, forming a
endosperm. The
will eventually develop into the sporophyte.
Check Answer

What is a coast of using technology to transport water? a.cities can be built in otherwise uninhabitable areas. b.crops can be irrigated and grown in new areas. c.floods can be averted in flood-prone areas. d.freshwater supplies can be depleted in an area.

When water freezes, it . contracts expands

Read the scenario below and answer the question that follows. hallie is reading a novel in the library when susan, her best friend, slumps down in a chair next to her. susan doesn't say anything, but hallie knows that susan is upset because she is slumping in her seat and rolling her eyes. a psychologist would explain that hallie is interpreting her friend's emotion based on a. the behavioral component of emotion b. her friend's ability to regulate emotion c. the verbal component of emotion d. the physiological component of emotion select the best answer from the choices provided a b c d