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Alenkasestr [34]
3 years ago
12

Can someone help me i need 5 different jobs of bones science 7th grade

Biology
1 answer:
Nuetrik [128]3 years ago
5 0
Support, Protection, Movement, Blood cell production, and Calcium.
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1. John observed bacteria at 100X under the oil immersion and then decided to go back to 40X
weeeeeb [17]

Answer:

The observed image will not be sharp

Explanation:

When 100x microscope objective lens is being used, light refraction in the air is enough high to produce image alterations. Image distortions can be minimized by immersion oil because this liquid has a higher refractive index than air. However, light refraction is not usually noticeable when using 4x, 10x and 40x objective lenses. Moreover, this image will not be sharp after putting oil on the slide and going back to the 40x objective, it is for that reason that the 40x is called 'high dry' lens. In consequence, it is required to clean the immersion oil off the 40x objective. In general, it is required to  to remove the oil and refocus off the slide and lens immediately after oil immersion (it can be done by using an oil-soluble solvent).

6 0
2 years ago
What can leaves do that roots cannot?
kirill [66]

\huge{\textbf{\textsf{{\color{pink}{An}}{\red{sw}}{\orange{er}} {\color{yellow}{:}}}}}

carry out photosynthesis

8 0
3 years ago
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Hello friends !<br>Please define EATLING . <br>Thank you ​
spayn [35]

Answer:

What does even EATLING mean.

Is it eating?

3 0
2 years ago
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Which of these describes a situation where natural selection could lead to evolution?
Gennadij [26K]

Answer:

B. Predation removes slower antelope from the herd.

Explanation:

Natural selection is defined as the differential survival and reproduction of individuals due to differences in the physical characteristics.

A predator-prey relationship results in a very fast-slow dynamical system for rapid predator evolution.

Predation removes slower antelope from the herd and hinders passage of the slow trait to offsprings. The ones who are fast reproduce and give birth to other fast animals.

5 0
3 years ago
Looking at a food web, where is the largest amount of energy found?
kirill115 [55]
Largest energy found in the lowermost portion of the trophic level near "Producers" 'cause as it passes through the higher trophic levels, it get decreased by 10% at each step, according to Lindmann's 10% law!!

Hope this helps!!
7 0
3 years ago
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