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amm1812
4 years ago
14

What flowering plants evolved during the Cretaceous period

Biology
2 answers:
Llana [10]4 years ago
4 0

<em>Archaefructusliaoningensis</em> is an angiosperm. It is the oldest fossil that helps in explaining the presence of this flowering plant during the cretaceous period.

Further Explanation:

The last and the longest part of the Mesozoic era is the cretaceous period. It <u>lies between the minor extinction period andthe Jurassic period </u>to the cretaceous-Paleogene extinction.

The important hallmark of <u>this period was the radiation and development of flowering plants</u>. The flowering plant found in that period was angiosperm. It is determined by the oldest fossil that has been found to date is angiosperm such as <em>Archaefructusliaoningensis</em>. It is discovered by the <u><em>Ge Sunand David Dilcher</em></u><u> of china</u>. It has a <u>similar appearance as a black pepper plant</u>. It also helps in explaining that the insect that helps in pollination such as wasps and bees was also evolved at the same time. The scientist says that the pollination from insects was established after the first flower.

Learn More:

1. Learn more about the treatment of eukaryotic cell with a drug brainly.com/question/10767798

2. Learn more about the proteins synthesis in a cell brainly.com/question/1420458

3. Learn more about an exchange of gases by blood cells brainly.com/question/1213217

Answer Details:

Grade: High school

Subject: Biology

Chapter: Evolution

Keywords:

Archaefructusliaoningensis, angiosperm, fossil, radiation, cretaceous, Mesozoic, extinction, Jurassic, Paleogene, discovered, pollination, insect.

ladessa [460]4 years ago
3 0
Magnolias, laurel, barberry, early sycamores, and palms.
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1. Bees, flies, wasps, butterflies, and moths are significant insect pollinators. Moths are drawn to white flowers that are open at night, but bees and butterflies are drawn to brilliantly colored blooms with powerful scents that are open during the day.

<h3>What is pollination?</h3>

The act of moving pollen grains from an anther to a flower's stigma is called pollination. Flowers that are pollinated by insects typically generate a sweet nectar that the insects visit to consume. If a flower is self-pollinating, fertilization occurs when pollen stock from an insect contacts the stigma of the bloom. If the bug is bisexual, it will fly to another bloom and disperse the pollen.

2. Most flowers advertise themselves by being brightly colored and perched on long stems so they wave in the air and are closer to where insects are flying, as opposed to on the ground, where they would otherwise be. A flower's petal sizes and shapes, in addition to color, can draw insects.

3. Flowers draw insects because of their aroma or vibrantly colored petals. Nectar is a delicious liquid that many flowers generate that is consumed by insects. The female part of the flower is the carpel.

Answer 2. Flowers that are pollinated by insects have characteristics that enable insects, birds, or other animals to pollinate them while consuming the nectar. When an insect brushes by the stigma of a flower, whether it is the same bloom or another, pollen grains will adhere to the insect's outer layer and stick to the flower's stigma, pollinating the flower. When the two seˣ cells combine, fertilization occurs, the ovule develops into a seed, and the ovary becomes a fruit. The pollen grain then grows a pollen tube down the style to reach the ovary, which contains the ovules.

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