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Softa [21]
2 years ago
13

Please answer will give brainliest. I have a bad grade in this class please.

Biology
2 answers:
Annette [7]2 years ago
4 0
Tissue that is responsible for the secondary growth of stems and roots
Akimi4 [234]2 years ago
3 0

Answer:

tissues that is responsible for the secondary growth of stems and roots.

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Name ALL the alleles that control human blood groups.​
Naily [24]

Human blood groups are governed by three alleles. These are called I A ; I B ; I O .

I B shows the codominance

I O is recessive to both other alleles

8 0
2 years ago
Analysis of the second swab has confirmed that the causative organism is Streptococcus pyogenes, a gram-positive organism. Imagi
Ierofanga [76]

Answer:

Purple, spherical-shaped organisms arranged in chain like formations.

Explanation:

Bacteria are the microscopic organisms and included in the prokaryotes as they do not have nucleus. Two main types of bacteria are gram positive bacteria and gram negative bacteria.

The gram positive bacteria has thick cell wall peptidoglycan cell layer and can uptake the crystal voilet stain. These bacteria seems purple under the microscope due to the uptake of stain. The bacteria Streptococcus pyogenes are spherical in shape and occurs in the cluster of chain.

Thus, the correct answer is option (d).

7 0
3 years ago
Read 2 more answers
Explain the importance of fossils and how they provide evidence for evolution.
Thepotemich [5.8K]
They show evidence of other life beyond us, when we see fossils they give is info that can determine other scientific data that is important for human life
8 0
3 years ago
In a certain population, the allele causing sickle cell anemia has an allele frequency of 0.2. if the population is in genetic e
alexandr1967 [171]
The answer is "0.64".
8 0
3 years ago
Why is it important to avoid applying too much nitrogen fertilizer?
solniwko [45]

Answer:

too much nitrogen in surface runoff can cause algae to overgrow

Nitrogen fertilizers used in large-scale agriculture could leave a legacy of pollution that would persist for decades in soil and groundwater, scientists in France and Canada warned, which published a study in the National Academy of Sciences magazine, " PNAS ". According to these scientists, the excess of these fertilizers in the environment has been linked to contaminated drinking water and can cause the rapid growth of algae that compromise aquatic ecosystems and coastal marine life.

Explanation:

Brainliest please?

7 0
2 years ago
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