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Vanyuwa [196]
3 years ago
13

What are the two types of biological interactions?

Biology
1 answer:
Nimfa-mama [501]3 years ago
7 0

Answer:

They can be either of the same species (intraspecific interactions), or of different species (interspecific interactions). These effects may be short-term, like pollination and predation, or long-term; both often strongly influence the evolution of the species involved. A long-term interaction is called a symbiosis.

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Plant cell have cell wall and animals cell don’t have

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3 years ago
Species a diverged from species b 60,000 years ago. On a particular gene, they have 15 nucleotide differences. How many nucleoti
a_sh-v [17]

The given question says that b species diverged around 60,000 year ago from species a. Since the divergence, they have a nucleotide difference of 15 nucleotide.

We need to find out the nucleotide difference in another 240,000 year, which means a total of 300,000 year since divergence.

The nucleotide difference in 60,000 years = 15 nucleotide.

The nucleotide difference in 1 year =\frac{15}{60,000}  nucleotide.

The nucleotide difference in 300,000 years = \frac{15}{60,000}\times 300,000 nucleotide.

The nucleotide difference in 300,000 years = 75 nucleotide.

Hence, after another 240,000 years or 300,000 years since divergence, the species and species b would show a difference of 75 nucleotide.

In another 240,000 years, there would be 60 nucleotide difference, as 15 of the nucleotide are already different in initial 60,000 years from the total of 75 nucleotide difference in 300,000 years. So, 60 (75-15) nucleotide difference would be observed in next 240,000 years.


4 0
3 years ago
Plz help due in 9 min plZ will mark brainlest plz plzzzzzz plz
DaniilM [7]

Answer:

its 24m

Explanation:

5 0
3 years ago
Juvenile ____________________ arthritis is an autoimmune disorder that affects children with symptoms that include stiffness, pa
pickupchik [31]

Answer:

Juvenile rheumatoid arthritis

Explanation:

Arthritis is a term used to refer a group of diseases that affects the joints such as knees, wrists and fingers.

Juvenile rheumatoid Arthritis is an autoimmune disorder that affects children which means the body attacks itself by mistakenly identifying its own cells as foreign .

The cause of this response is not yet known.

Some of the symptoms of the disease include stiffness, pain, joint swelling, skin rush, fever, slowed growth and fatigue.

It has no cure but in some cases children seem to outgrow the disease.

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Plants use the energy of sunlight to
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Produce nutrients and food, to convert light energy to chemical energy through the process call photosynthesis. 
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