Answer AND Explanation:
Gnetophytes are gymnosperms
, they are woody and the embryo has two cotyledons
. Cycads are woody plants that produce seeds found in Subtropical and warm temperate regions and also they produce motile sperm cells.
<span>In response to a body temperature above the set point, two effector responses in mammals could be sweating and panting.
</span><span>Negative feedback stimulate activities of effectors (including sweat glands) that lower the temperature.</span>
Plant cells are bigger because they have bigger/larger Vacuoles.
These vacuoles hold water and food for the cell its like a storage for the cell.
Answer:


What is carbon hydro

<h3><u>A hydrocarbon is a molecule whose structure includes only hydrogen and carbon atoms</u></h3>
Explanation:
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<em>The carbon atoms join together to form the framework of the compound, and the hydrogen atoms attach to them in many different configurations.</em></u></h3><h3><u>
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