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2 years ago

1. Natural Challenges - Explore the first three websites using the links on the

Biology

1 answer:

Serga [27]2 years ago

7 0

Answer:

a. A natural geological challenge that exists in my environment is a fault zone known as the San Andreas Fault. It's a major geological landmark where two tectonic plates meet in California. People in my area are prepared for the event of an earthquake by packing emergency clothes, food, water, shelter, etc. in the event of a major earthquake. Scientists believe that California is past due for a major earthquake in the 6.0-8.0 range that could happen any day now. Hope this helps :)

Explanation:

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Which antibiotic was not effective against E. coli? neomycin, penicillin, erythromycin, ampicillin

qaws [65]

The antibiotic called ampicillin was not effective against E.coli.

Answer: D

Explanation:

E.coli is normal microbial flora which is present in the gut of the mammals.

It is gram negative bacteria and very few strains of this bacteria causes harm.

Antibiotics are the chemical drugs which are used to treat the microbial infection either by killing the causative organism or by its growth inhibition.

Antibiotics such as neomycin, penicillin and erythromycin are usually used to treat E.coli infection.

Antibiotic such as Ampicillin is not used as the bacterium E.coli is highly resistant to it.

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2 years ago

Describe how you get energy indirectly from the food that you eat

lidiya [134]

<span>Since we are not able to get energy directly from the food we eat, a particular process needs to take place that converts molecules to Adenosine triphosphate, also known as ATP. This requires that the food first be broken down by being digested. As digestion takes place, the body uses the small molecules to make ATP.</span>

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3 years ago

Which of the males could be the father in the following DNA fingerprint?

lisov135 [29]

Answer:

I belive its either male 2 or both

Explanation:

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2 years ago

Which of the following phylogenetic trees best represents this data?

Bess [88]

Phylogenetic trees are tree-like graphic representation that show the evolutive relationship between different taxa.

<h3>What is a phylogenetic tree?</h3>

A phylogenetic tree is a graphic representation of the evolutive relationship between different taxa.

This representation has a tree-like shape.

The phylogenetic tree expresses how far or close are in evolutive history the different groups.

<h3>Structure of the phylogenetic tree</h3>

The phylogenetic tree is composed of,

Lineages → The taxonomic groups of interest. These are placed in the extremes of the branches.

Nodes → These are the ramification points, which are also known as divergence points. They represent the location of the most recent common ancestor.

Root → This is the oldest common ancestor that all lineages share. The first one in the tree.

⇒ Highly related groups that share a recent common ancestor. This means that they all diverge from the same node.

⇒ Lineages less related to each other are those whose common ancestor is far away in history.

In a phylogenetic tree, the most distant group receives the name of outgroup.

It shares no traits or characters with the lineages of interest that compose the ingroup.

You can compare the outgroup with the ingroup to determine the evolutive relationship and which characters are primitive or derived.

Since I do not have further information, I will describe each of the trees.

A) Capibara and camel share a more recent common ancestor in history than they do with guinea pig. Capibara y camel are more closely related.

B) Guinea pig and Capibara share a more recent common ancestor in history than they do with camel. Capibara y guinea pig are more closely related.

C) The three lineages have the same common ancestor and are equally related to each other.

D) Guinea pig and Camel share a more recent common ancestor in history than they do with capibara. Camel y guinea pig are more closely related.

According to your information, you can determine which tree is the best.

You can learn more about phylogenetic trees at

brainly.com/question/8188690

brainly.com/question/2189834

3 0

1 year ago

at the start of the spring semester, marie decides that she will focus more on her physical health. her solution is to start jo

Butoxors [25]

The correct strategy for training for a specific running distance is to periodically (once a week or so) run that distance as a training run. This is what runners will refer to as a weekly 'long run'. This allows your body to adapt to the greater distance. At the same time, it is important that these long distances are interspersed with shorter and faster runs, as running long distances constantly can cause chronic injuries and tends to make runners slower.

5 0

3 years ago