How long does it take for a new species to arise? Have we ever witnessed a new species arising - like in any laboratories or otherwise - possibly with creatures with short life spans? Does it happen all the time, or is it incredibly rare?

Answers

Answer 1

Answer: Arising of a new species is not a rare thing. Organisms are always in a competition to survive long. Speciation, as what they call it, is happening from time to time because organisms evolve in order to adapt to the environment where they are in. However, this process is a slow one thus it is almost impossible to see a new species arising.

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Which is an example of how latent evidence can be used to solve a crime?A. Clearly visible fingerprints on a knife are matched to a suspect.

B. The coagulation of blood near a victim indicates that death occurred two hours prior to discovery, when a suspect was reported at work.

C. A hidden fingerprint on a murder weapon did not match that of the suspect.

D. A forensic scientist concludes that tiny hairs found on a murder victim were not those of a suspect, but rather those of a dachshund.

Answers

"A hidden fingerprint on a murder weapon did not match that of the suspect" is the one example among the choices given in the question of how latent evidence can be used to solve a crime. The correct option among all the options that are given in the question is the third option or option "C".

Answer: C. A hidden fingerprint on a murder weapon did not match that of the suspect.

A latent evidences are those evidences which cannot be observed by the naked eye but requires specialized procedures to observe them and collect them from the scene of crime. These includes small plant evidences like spores, pollen, dust particles and latent fingerprints.

In the given question, the C. A hidden fingerprint on a murder weapon did not match that of the suspect is an example of how latent evidence can be used to solve a crime. This is because of the fact that latent fingerprints are those fingerprints which cannot be observed by naked eye but requires the use of powders, solutions to firstly develop them and then these can be collected by the tape lifting or other measure.

Determine if the following are autotrophs or heterotrophs: (a) a giant redwood tree, (b) a spider, (c) a rose bush,(d) a mushroom, (e) a blue whale.

Answers

The options in the question contain both autotrophs and heterotrophs.
(a) A giant redwood tree = Autotroph
(b) A spider = Heterotroph
(c) A rose bush = Autotroph
(d) A mushroom = Heterotroph
(e) A blue whale = Heterotroph
Autrophs are the organisms that have the capacity to form their own food from inorganic substances like the carbon dioxide.
Heterotrophs are the organisms that cannot produce their own food but depends on other animals or plants for their nutritional needs.

How do group IQ tests administered to students create a self-fulfilling prophecy?

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Group IQ tests administered to students create a self-fulfilling prophecy through the possibility of leading students grouped by ability to decide they are either dull or bright. Low scorers on IQ tests tend to believe that they might be dull and those who have high scores tend to believe that they are smarter compared to the others, thus, working harder to maintain it.

Eukaryotic organisms that are neither fungi, plants, nor animals are members of which kingdom?a. Animalia
b. Plantae
c. Fungi
d. Protista

Answers

Protista is the answer! Remember it as the catch all kingdom!

Sharp, jagged peaks are characteristic of fault-blocked mountains.A. True
B. False

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Yes; Sharp, jagged peaks are characteristic of fault-blocked mountains.

True

true hope this helps! :)

What is uses more energy for organisms producers or primary consumers

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I would say producers because it's at the bottom of an energy pyramid which shows that it provides more energy because of the sun, and it contributes to the upper part of the energy pyramid too because when the plant is eaten, the plants energy is added to whatever ate the plant.

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How many amino acids cannot be made by the body so they must be obtained in the diet