Biology, asked by BiswadipSingh, 1 year ago

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Answered by kanike35
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1. A simple leaf has a broad, undivided leaf blade while the leaf blade is divided into several leaflets in a compound leaf. The lateral bud only occurs at the base of the petiole in both leaves but, not at the base of the leaflets. The main difference between a simple leaf and compound leaf is the division of lamina.

2. The rim of the pitcher (peristome) is slippery when moistened by condensation or nectar, causing insects to fall into the trap. Furthermore, some pitcher plants contain mutualistic insect larvae, which feed on trapped prey, and whose excreta the plant absorbs.

3. Pollination is the act of transferring pollen grains from the male anther of a flower to the female stigma.

Some agents of pollination are honeybees and butterflies.

4. The action or process of fertilizing an egg or a female animal or plant, involving the fusion of male and female gametes to form a zygote.

For fertilization to occur, sperm must enter the vagina. This usually, but not always, happens through sexual intercourse.

The sperm passes through the opening of the cervix and travels into the fallopian tubes.

There, the sperm will penetrate and fertilize an egg. Once fertilized, the egg travels down the fallopian tube toward the womb, or uterus, where it will implant in the uterine wall.

Doctors refer to the fertilized egg as an embryo after implantation.

Beginning in the ninth week of pregnancy, and until the pregnancy ends, doctors call the developing baby a fetus.

5. The main difference between fleshy and dry fruits is that fleshy fruit contains a fleshy pericarp at maturity whereas dry fruits contain a hard, papery or dry pericarp at maturity.

6. Plants make seeds that can grow into new plants, but if the seeds just fall to the ground under the parent plant, they might not get enough sun, water or nutrients from the soil. Because plants cannot walk around and take their seeds to other places, they have developed other methods to disperse (move) their seeds.

Seeds are dispersed through air, water and birds and animals.

7. The development of a plant from a seed or spore after a period of dormancy.

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