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Roman55 [17]
3 years ago
9

What is pollination? ​

Biology
1 answer:
artcher [175]3 years ago
8 0

Answer:

Pollination is the transfer of pollen from a male part of a plant to a female part of a plant, later enabling fertilisation and the production of seeds, most often by an animal or by wind.

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Members of the phyla Cnidaria and Bryozoa both have a circle of tentacles, which they use for feeding. Besides the difference in
vredina [299]

Answer:

Presence or absence of cilia/stinging cells.

Numbers.

Retractability.

Number of cells.

Explanation:

Apart from size difference, tentacles in Cnidaria and Bryozoa differs such that:

  • <em>The tentacles in Cnidaria have no cilia surrounding them while those of Bryozoa are ciliated. Instead of cilia, the tentacles in Cnidaria have stinging cells.</em>
  • <em>Tentacles in Cnidaria are fixed in number while the number may vary in Bryozoa.</em>
  • <em>Tentacles in Cnidaria are often retractable while retractability is not possible in Bryozoa.</em>
  • <em>Cnidaria tentacles are made up of multiple cells while those of Bryozoa are made up of single cells.</em>
8 0
3 years ago
Read 2 more answers
What is Wiesel arguing in his Nobel Prize acceptance speech?
liq [111]
C i think ................................................
6 0
3 years ago
Human blood types are characterized by the presence absence of surface markers known as a tigers on the surface of red blood cel
zalisa [80]

Answer:

characterized by presence or absence of antigens

the blood types are A, B, O, AB

Explanation:

There are two antigens and two antibodies that are mostly responsible for the ABO types.  The specific combination of these four components determines an individual's type in most cases. Erythrocytes and serum were related to the presence of antigens on these erythrocytes and antibodies in the serum. these antigens  are A and B, and depending upon which antigen the erythrocytes express, blood either belonged to blood group A or blood group B. A third blood group contained erythrocytes that reacted as if they lacked the properties of A and B, and this group was later called "O" blood group. The fourth blood group AB, was added to the ABO blood group system. These erythrocytes expressed both A and B antigens.

Blood group   Antigen present on RBC    Antibodies in serum    Genotype(s)

      A                        antigen A                             anti-B                     AA or AO

      B                        antigen B                             anti-A                     BB or BO

      AB              both A and B antigen                 none                         AB

      O                           none                           anti-A and anti-B           OO

4 0
3 years ago
What are brownfields​
Daniel [21]

The lands which are lef unuse after  it is affected by environmental contamination.

<u>Explanation:</u>

  • Brownfields are abandoned or unused fields where reuse is hindered by real or observed environmental contamination. The places may include localities destroyed by hazardous materials, petroleum or mine-scarred land.
  • Brownfields are found in a city or town's manufacturing section, on areas with discontinued factories or industrial buildings, or other earlier contaminating operations like steel millhouses, refineries or landfills. It is mainly found in urban cities where there is normally a stronger potential to redevelop these localities.
  • Some of the most frequent contaminants known at Brownfield sites are from fuels such as grease, propellant, diesel and kerosene from subterrene storage tanks, floor drains, External storage of barrels and machine, and cleaning solvents.
3 0
3 years ago
NEED HELP ASAP 
Pepsi [2]
The answer is B. because lipids can make the body warmer :)))
i hope this is helpful
have a nice day
7 0
3 years ago
Read 2 more answers
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