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astraxan [27]
3 years ago
8

WHO CAN HELP 20 pys⭕️

Biology
1 answer:
zubka84 [21]3 years ago
4 0
The mother has a 50% chance of having a child with that condition. Hope my work helps!
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How could human activity alter the availability of water in an ecosystem.
Sonja [21]

Answer:

Many activities of human alter the availability of water in ecosystem.

Explanation:

We know that water is an essential item for daily use and development works. Water is required for different development processes.

Although, the drinking of water is foremost work, but human beings utilize water into agricultural practices, industries, cleaning activities etc. These activities of human beings alter the availability of water in an ecosystem. Thank you

Explanation:

6 0
3 years ago
Which table is correct about energy formation in plants?
erma4kov [3.2K]

Answer:

C

Explanation:

Photosynthesis the process where a plant makes energy to store it and use it and keep aking more to keep itself alive. C is the only one the says photosynthesis and has the right organs and products in the right spaces. The plants leaves are what make the energy. They need the sun (energy source) to make the sugars (energy product) that they need to survive.

8 0
3 years ago
Biology help please!
pav-90 [236]
<span>The brain is a very complex organ in humans. Although we still have a lot to learn about it, decades of studies in both living and dead humans had revealed that the brain is crosswired, meaning the right side of the brain controls the left side of the body and viceversa. It’s also the part of the brain associated with arts and our creativity. Therefore the answer is B</span>
8 0
3 years ago
Read 2 more answers
What two forces can turn fossils into fossil fuels answer?
Shkiper50 [21]
Pressure and heat is the two forces
6 0
3 years ago
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
azamat

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.

5 0
3 years ago
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