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WINSTONCH [101]
3 years ago
15

When seeds germinate the shoot automatically grows up out of the soil and

Biology
2 answers:
Ulleksa [173]3 years ago
8 0

Answer:

The correct answer is option B (negative gravitropism) and option C (positive phototropism).

Explanation:

Plant seedlings shows downward growth of roots and upward growth of stems due to response of plants to external environmental stimulus via a phenomemon known as tropism.

Plant tropisms are the result of differential growth as cells in area of stem or root grows more quickly than cells in opposite area.this growth determines the directional growth of the entire plants. The directional growth of an organism in response to light is known as Phototropism while directional growth of an organism in response to gravity is known as gravitropism.

Shoot growth in plants shows negative geotropism because they grow away from that force or in opposite direction of the gravity. Also, plants shows positive phototropism as they respond in direction of light.

Thus, option B (negative gravitropism) and option C (positive phototropism) are the right answer.

Temka [501]3 years ago
3 0

Answer: The shoot grows up towards the sunlight is Positive Phototropism

The root grows down the soil is Positively Geotropism / positive gravitropism.

happy to help again :)

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dem82 [27]

Hey there! :D

When we are talking about gametes, we can use a punnet square, or in this case, common knowledge. If two of the alleles for one phenotype are the same, we can infer there will only be two variations of the genotype. (because there are two dominant SS genes) We already know that "D" must be the answer. Firstly, there will be one allele for each gene, so there will always be an "S" and a "T" no "SS" or "tt" (when talking about gametes). That leaves us with B and D but there is no recessive "s" in the original genotype, so the answer must be "D".

I hope this helps!

~kaikers

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3 years ago
what will be the result of photosystem II being exposed to less sunlight more glucose molecules will be produced
melisa1 [442]

Fewer hydrogen ions will be pumped into the Thylakoid when photosystem II being exposed to less sunlight more glucose molecules will be produced.

Photosystem II is the first membrane protein complex in oxygenic photosynthetic organisms in nature. It produces atmospheric oxygen to catalyze the photo-oxidation of water by using light energy. It oxidizes two molecules of water into one molecule of molecular oxygen.

Photosystem II the energy derived from absorption of photons is used to split water molecules to molecular oxygen and protons. The most important function of photosystem II (PSII) is its action as a water-plastoquinone oxido-reductase. At the expense of light energy, water is split, and oxygen and plastoquinol are formed.

To learn more about Photosystem II , here

brainly.com/question/13211869

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8 0
2 years ago
Construct an explanation to predict the type of symbiotic relationship that exists between the hippo and oxpecker birds?
Allisa [31]
<h2>Answer:</h2>

<h2><em><u>The hippopotamus and the oxpecker bird are in a mutualistic and parasitic relationship. This is because the oxpecker bird gets food and protection from the hippopotamus. However, the bird gets food by making little cuts in the hippopotamus to obtain insects. This isn't entirely harmful to the hippopotamus though.</u></em></h2>

<h2><em><u>Hope</u></em><em><u> this</u></em><em><u> helps</u></em><em><u> you</u></em><em><u> ❤️</u></em></h2>

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7 0
3 years ago
A _______________ is a cell containing two complete sets of chromosomes, one from each parent.
In-s [12.5K]

Answer:

A somatic is a cell containing two complete sets of chromosomes, one from each parent.

YOUR ANSWER IS SOMATIC

Explanation:

3 0
3 years ago
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natka813 [3]

The answer is;  Physical weathering by water would carve out the face of the cliff.


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