Pollination occurs when pollen grains from the anther land on a stigma. After pollen grains land on the stigma, a pollen tube grows from the pollen grain, through the style, and into the ovary. Sperm cells inside the pollen grain travel down the pollen tube and into the ovary which contains the ovules.
Answer:
Cells are the basic units of life in living organisms. Which of the following components make up cells?
Atoms and molecules
Explanation:
All cells are made up of organelles and the smallest part of it makes it an atom while formation of two or more atom makes up a molecule. Every living cell compose of both atom and molecule
Answer:
The vascular tissues, they are called the xylem and phloem.
Answer:
<em>The magnetic field is generated by electric currents due to the motion of convection currents of a mixture of molten iron and nickel in the Earth's outer core: these convection currents are caused by heat escaping from the core, a natural process called a geodynamo.</em>
The answer is c. echinodermata
