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zhuklara [117]
2 years ago
9

Experiment 1: symmetry in common objects post-lab questions 1. safety glasses bilateral symmetry safety glasses have a bilateral

symmetry because they are mirrored images of each side if they are cut exactly in the middle. 2. petri dish radial symmetry a pertri dish is radial symmetry as
Biology
1 answer:
dangina [55]2 years ago
0 0
A petri dish is radial symmetry because it has similar parts regularly arranged around a central axis. A petri dish can be divided into the same half with the center of the top or bottom of the petri dish. This symmetry is also found in animals like the star fish and jelly fish
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An interaction between two organisms in which one usually benefits is known as <br> .
oksano4ka [1.4K]

Answer:

The interaction between two organisms in which one usually benefits is called commensalism.

Explanation:

hope it helps :)

8 0
2 years ago
The field of paleontology changed naturalist's views of biodiversity by showing?
Black_prince [1.1K]

Answer: alternative A.

Explanation: Fixism was a current theory during biology history, and it stated that species were always like they are at the present time, not being able to change during time. Darwin's evolutionary theory, developed at the 19th century, said the opposite: species were able to change and they still do it. One way to prove it was <u>studying fossils and its morfologycal characteristics in order to link them to more recent species</u>, and <u>establish a taxonomical connection between them</u>. The study of fossils is know as paleontology, and it this way it changed the naturalist's views.

8 0
2 years ago
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Natural selection results in change overtime by acting on traits that are *
diamong [38]

Answer:

Advantageous

Explanation:

Natural selection acts on traits that are advantageous, thus increasing chances of survival and passing on the trait.

5 0
2 years ago
In order to beat, the heart needs three types of cells. describe the cells and their function.
yulyashka [42]
1. Rhythm generators (SA node)
2. Conductive cells (node cells)
3. Contractile cells (myocardial cells)
4 0
2 years ago
If i wanted to look at a onion cell what type of microscope would be best to use
poizon [28]
It is best to use regular light microscopes to observe that.

For simple structures, onion cells doesn't require a very large magnification. Magnifications for such as 100X or 150X is already enough to determine the different structures of onion cells such as cell walls or cytoplasm.

It is not very suitable to use a electron microscope especially as high school or college students, as electronic microscopes can be really expensive, usually only top universities have them. Also, it is quite complicated to control the microscope comparing to the common light microscope that we can easily find in many school laboratories. They're easy to function and they're a lot cheaper.

So, it's best advised to use a light microscope, unless if you're really into studying very detailed structures and you're experienced in doing these sorts of things, then you should use a electron microscope.
7 0
2 years ago
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