1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
MrMuchimi
3 years ago
9

During self-pollination in seed plants, pollen grains A. swim to female reproductive structures through water. B. must be carrie

d from a male cone or flower to a female cone or flower. C. carry zygotes to the female structures, which form the seeds. D. are carried to female reproductive structures by wind or animals.
Biology
1 answer:
Lady bird [3.3K]3 years ago
3 0

Answer:B

Explanation:In flowering plants,pollination is defined as the placement or transfer of pollen from the anther to the stigma of the same flower or another flower. In seed bearing plants(gymnosperms)pollination involves the transfer from the male cone to the female cone. The pollen germinates to form the pollen tube and the sperm to fertilize the egg upon transfer.

You might be interested in
Screen Shot 2019-01-18 at 12.08.12 PM
horsena [70]

what is the question?

5 0
3 years ago
According to the pie chart, which cause results in the most extinctions?
Sophie [7]
<h3><u>Answer;</u></h3>

B.introduced species

<h3><u>Explanation;</u></h3>
  • <em><u>Animals become extinct for a number of reasons. Currently many animals are endangered or have become extinct due to human activities or human influence.</u></em>
  • Extinctions may be caused by reasons;<em><u> such as pollution; loss of habitat due to human activities such as agriculture, introduced species, hunting and poaching for meat and other animal products such as feathers, horns and skins, and also over-harvesting among other influences.</u></em>
  • In this question; <em><u>Introduced species occupies the largest percentage, that is 39%, from the pie chart (Attached).</u></em>
  • Hunting and poaching; 23 %, Habitat loss; 26%, and Others; 2%.

8 0
3 years ago
Read 2 more answers
Which of the following is not a function of astrocytes?guide the migration of young neurons, synapse formation, and helping to d
Alinara [238K]

Answer: E) provide the defense for the CNS

Explanation:

Astrocytes can be defined as one of the cell types in the central nervous system. These are the dominant glial cell found in the brain. These cells perform a variety of functions in the brain. The functions includes axon guidance, synaptic support, controlling the blood brain barrier and blood flow.  These cells maintain the chemical environment in the brain especially around the neuron.

These cells do not provide to the central nervous system.

8 0
3 years ago
A physical environment with different species that interact with one another and with nonliving things is called
34kurt
A physical environment with different species that interact with one another and with non-living thing is called an ecosystem
3 0
3 years ago
Read 2 more answers
What are characteristics of a plant?
astra-53 [7]

Plant Characteristics. Plants are autotrophs; they produce their own food. They do so via photosynthesis, which is the process of making nutrients such as sugars from light energy and carbon dioxide.

Please mark as brainliest

5 0
3 years ago
Other questions:
  • A____ is a horizontal stem at or just beneath the surface of the ground which can give rise to roots or stems.
    13·2 answers
  • This is the first cell of a new individual, formed by the fusion of a sperm and egg at fertilization
    9·1 answer
  • The auditory processing area is in the __________ lobe.
    15·1 answer
  • Protiens are needed in the diet to help make _______
    8·1 answer
  • In the equation for the gravitational force between two objects, which quantity must be squared?
    12·2 answers
  • Did James D. Watson's discovery contribute to any of the following?
    9·2 answers
  • How does epithelial tissue respond to a bruise or wound?
    6·1 answer
  • Identify which of the blood vessels<br> are blue in color and explain why,
    7·1 answer
  • List and briefly describe each of the 4 types of evidence that support evolution
    13·1 answer
  • As the human population spread out of Africa into new regions, genetic diversity Group of answer choices went up as an adaptatio
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!