All microscopes have lenses. Some types of lenses are eyepiece lenses, objective lenses, and condenser lenses.
Answer:
regulates which materials enter and leave the cell
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:
a viral infection
Explanation:
i think that this is right answer
Answer:the result is evolution
Explanation: example it can be traced in Mesozoic era by modifications and removing of certain type of reptiles ie dinosaur