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Semenov [28]
3 years ago
15

A bacteriologist is studying two asexually reproducing strains of E. coli. The two require different amounts of trace minerals f

or survival; on these grounds, the bacteriologist determines that they are separate species. In making his determination, he is using what species concept
Biology
1 answer:
Marina86 [1]3 years ago
8 0

Answer:

Ecological species concept

Explanation:

Ecological species concept is one of the species concept that claims or explains that species is a set of organisms that are able to adapt to a particular set of resources in particular environment .

It should be noted that, because the strains of the E. coli require different amount of trace minerals for survival indicates that they are separate species, which are adapted different sets of resources of different environment.

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What is a cancerous tumor? (in simple words pls)
Vladimir79 [104]

Answer:

Cancerous tumors are malignant, which means they can spread into, or invade, nearby tissues. In addition, as these tumors grow, some cancer cells can break off and travel to distant places in the body through the blood or the lymph system and form new tumors far from the original tumor.

7 0
3 years ago
Read 2 more answers
Suppose a species lived in an environment that changed very little over millions of years. Which theory about how fast evolution
hjlf

Gradualism is referred to the theory about how fast evolution occurs in this type of species.

<h3>What is Gradualism?</h3>

This type of evolutionary changes occurs gradually and not in large steps or volume.

This however explains why the species had very little changes for a very long time as a result of the environment being best suited for them.

Read more about Gradualism here brainly.com/question/20463574

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4 0
2 years ago
Is the activation of receptors in the various sense organs?
GaryK [48]

Answer;

-Sensation

Sensation is the activation of receptors in the various sense organs

Explanation;

-Sensation is the activation of sensory receptor cells at the level of the stimulus. Perception is the central processing of sensory stimuli into a meaningful pattern. Perception is dependent on sensation, but not all sensations are perceived.

-Receptors are the cells or structures that detect sensations. A receptor cell is changed directly by a stimulus. A transmembrane protein receptor is a protein in the cell membrane that mediates a physiological change in a neuron, most often through the opening of ion channels or changes in the cell signaling processes.

4 0
4 years ago
Explain how scientists use geologic time to determine the age of landforms.
Pavlova-9 [17]

Answer:

Explanation:Following are the techniques or methods or approaches we can say that were used by the scientists to determine the geologic age:

1. Relative age dating

2. Absolute age dating.

3. Radiation measurement.

4. Stratigraphic superposition.

5. The fossil record.

The scientists used the method of relative dating to divide Earth's past in different chunks of time when alike organisms were on Earth. After that, to discover the actual number of years ago that events occurred, the scientists used the method of absolute dating.

8 0
3 years ago
10POINTS!!!
AveGali [126]
The answer is B. A tendon joins bone to muscle and a tendon joins bone to bone.<span />
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3 years ago
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