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Alex787 [66]
3 years ago
13

Need both answers asap plz!!!!!!!!!! Giving All points!!!!!!

Biology
2 answers:
likoan [24]3 years ago
6 0

Answer:

i think its A

Explanation:

Alina [70]3 years ago
3 0
A physical adaption must be related to Behavior

A behavioral adaptation must be related to Reproduction

Hopefully these are correct


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As a class, penicillins usually are more effective in infections caused by which type of bacteria?
Bezzdna [24]

In gram positive bacteria have a peptidoglycan layer outside of the cell wall. Gram negative bacteria have peptidoglycan between membranes.

The natural penicillin have activity against non beta lactamase producing gram - positive cocci, which includes such as - viridans streptococci, anaerobic streptococcus. Penicillin work indirectly bursting bacteria cell walls. It kills bacteria through binding of that betalactum ring.

Gram positive bacteria have a much thicker layer of peptidoglycan and lack of the protection of an outer membrane. This class , penicillin was first antibiotic to be used widely and prevents the final cross linking step. There are some more classes of penicillin like- natural , penicillin-stable, aminopenicillins and extended-spectrum penicillin.

To learn more about gram positive bacteria here

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5 0
2 years ago
How does the phenomena of survive of the fittest relates to peppered moth simulation?
IgorC [24]
Peppered moth stimulation is an experimental setup that show the behavior of moth in relation to their environment. The objective of the setup is to stimulate changes in moth population as a result of pollution and predation. 
Peppered moth stimulation relates to the survival of the fittest because the moth with the most adaptive ability will be able to survive despite the negative forces in the environment. The bright colored moth was able to survive the pollution in the environment and retains its colour while the black coloured moth change its colour to black due to the pollution int the environment.
4 0
3 years ago
ODLUCULUP
Agata [3.3K]

a. What is a star's spectrum?

A star's spectrum refers to the <em>"amount of light"</em> that stars they give off according to varying wavelengths. Since we cannot tell the amount of light a star gives off quantitatively from Earth, we can differentiate them according to how bright they appear.

b. Which spectrum is most common in stars?

Stars are classified according to their spectra <em>(elements in the star)</em>. They are classified into 7 types <em>(O, B, A, F, G, K and O). </em>The most common type is M, however, it gives off a dim light.

c. How can it differ from start to star?

Although stars follow a continuous spectrum, the spectra of a star differs from each other because <u>they do not give off the same amount of energy at the different wavelengths. </u>

d. What does the spectrum tell us about the star?

The spectrum can tell the<em> surface temperature</em> of the star. This means that a blue star (we often see it as a white-colored star from Earth) is hotter than that of a yellow star. A red star is considered the coolest star among all.

The spectrum of stars also allows the astronomers to study composition of the stars according to their <em>wavelengths.</em>

8 0
3 years ago
Which best describes work?<br> a.holding a pencil<br> b.lifting a feather<br> c.dropping a ball
Orlov [11]
B I think cause your lifting something up?
6 0
3 years ago
Read 2 more answers
When one organism is helped and has no effect on the other, the relationship is called __________.
frozen [14]

Answer:

Commensalism

Explanation:

explain how helped you on the other relationship

3 0
2 years ago
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