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Contact [7]
2 years ago
11

How do the flowers help the tree meet its needs? AFlowers make food for the plant B. Flowers hold the plant in the ground. C. Fl

owers move water through the plant. D. Flowers contain parts for making seeds.
Biology
1 answer:
azamat2 years ago
5 0

Answer:

Answer is option D.

Flowers contain parts for making seeds.

Explanation:

The part of the plant that is responsible for the sexual reproduction in plants is known as flowers. A flower is said to be complete if contains sepals, petals, stamens and pistil. If the flower lacks one or more structures, it is an incomplete flower.

A complete flower consists of a vegetative part and a reproductive part. The vegetative part contains petals (a bright coloured structure that attracts insects and birds) and sepals (a green coloured structure that protects rising buds and is usually found beneath the petals). The reproductive parts include stamen or androecium (male reproductive organ) and pistil (female reproductive organ). A flower may consists of only female parts or only male parts, or both.

Stamen contains two parts - anther, which produce and store the pollens (male gametes) and filament, which support the anther. Pistil contains three parts - stigma, which receives the pollen grains and style that connects stigma and the ovary, and ovary which contains a lot of ovules (female gametes) which forms the seed.  

Flowers reproduce by pollination, a process in which the pollen are transferred to the stigma of another flower. A pollen tube emerges from the pollen grain and grows through the style and reaches an ovule inside the ovary. Then the nucleus of the pollen grain passes through the pollen tube and fuses with the nucleus of the ovule and this process is known as fertilisation. The fertilised ovules become seeds and the ovary transforms into the fruit. The seeds are dispersed through various methods and the embryo inside them will grow into adult plants.

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Explanation:

Your answer is increases

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Voodoo lily is sensitive to the following poison..
Delicious77 [7]

Answer: D) antimycin

Explanation:

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What are two important processes that occur during the prophase?
Sergio [31]

Answer:

In prophase, the nucleolus disappears and chromosomes condense and become visible. In prometaphase, kinetochores appear at the centromeres and mitotic spindle microtubules attach to kinetochores. In metaphase, chromosomes are lined up and each sister chromatid is attached to a spindle fiber.

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In your lab you are studying the genome of venomous rattlesnakes to find the gene which codes for their venom glands. One rattle
ikadub [295]

The type of mutation that occurred here is an inversion of three nucleotide bases (Option A).

<h3>What is an inversion?</h3>

An inversion is a type of mutation where linear order of nucleotide in the mutated sequence is inverted.

In this case, we have an inversion that involves the following bases (bold highlighted) AATCGC TAC GCACGTCAG and AATCGC CAT GCACGTCAG.

In conclusion, this mutation is an inversion of the genomic sequence (Option A).

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brainly.com/question/2124601

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8 0
1 year ago
How are predation and competition essential for maintaining a thriving ecosystem?
Elis [28]

Answer:

<u>Both of these are necessary to maintain overpopulation of any species in an ecosystem.</u>

Explanation:

  • Predation is an act in which one organism eats another organism present in the ecosystem.

  • The one eaten is called prey, while the dominant organism is called Predator.

  • Since an ecosystem is made up of many organisms along with the natural resources present in it.

  • This gives rise to different species competing against one another.

  • If one of these species is at a certain advantage, their population will rise uncontrollably hence to prevent this a predator plays a major role.

  • On the other hand, competition is a term which describes the harm caused to two different organisms.

  • This is due to the limited number of natural resources like food, water or shelter etc.

  • Organisms who are less likely to adapt according to the changing environment ultimately die.

  • For example, Plant roots over time lessen the amount of nitrogen present in the soil, causing the neighboring plant to die.
8 0
3 years ago
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