The megasporangium in a pine cone is surrounded by an integument with a small opening called the micropyle.
Integuments in flowers are the maternal tissues or having a maternal beginning, as they originate from the ovular tissue or chalazal tissue (part of the lady reproductive gadget of a flower). A time period integument merely refers to the protecting layer. In terms of botany, an integument is a layer encircling the ovule.
A mature ovule consists of a meal tissue included by means of one or destiny seed coats, called integuments. A small establishing (the micropyle) within the integuments permits the pollen tube to enter and discharge its sperm nuclei into the embryo sac, a large oval cellular in which fertilization and improvement arise.
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Answer:
<h2>Muscular System.... off course</h2>
-composed of cells
-seek to reproduce
Answer and Explanation:
<u>What is vitreous humor? </u>
The vitreous humor is a clear, gelatin-like fluid within the eye that aids in giving it its rounded shape. It is comprised of several substances, including up to 98% water, sugars, salts, collagen and protein.
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<u>Why do forensic scientists use it?</u>
In forensics, the is used to accurately determine a body's time of death. The fluids within the vitreous humor take longer to undergo the decay or putrefaction process. Thus, toxicology may accurately determine this based on the rising potassium levels within the vitreous humor- the levels rise in a steady, predictable pattern for certain time intervals. The potassium levels are usually used in the determination of the time of death or post-mortem interval of a corpse