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Nina [5.8K]
2 years ago
15

Vestigial structures-definition

Biology
2 answers:
OlgaM077 [116]2 years ago
3 0
Remnant of a structure that may have had an important function in a species' ancestors, but has no clear function in the modern species.
Brums [2.3K]2 years ago
3 0

\large\underline{\mathbb{AnSwEr}:}

\pink{ \rule{80pt}{10000pt}}

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How do you calculate the net force if two or more forces act in the same direction
Pie
All you would have to do is sum them up cause their going the same direction.
7 0
3 years ago
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A student is measuring the mass of 25 beakers. Each beaker has a mass of 48.73 g. What is the total mass of all 25 beakers in ki
Rainbow [258]
48.73g to kg =48.73*1000
                   =0.04873kg
total mass=0.0473kg*25
               =1.21825kg
(idk about the significant figures, SORRY)
6 0
3 years ago
What evidence supports the claim that the earth has layers?
andrew11 [14]

Answer:

There are many ways scientists can gather evidence to learn about Earth's interior including direct evidence from rock samples and indirect evidence from seismic waves.

also

1. Seismic waves and earthquakes

2. Volcanoes

3. Principles of density

​4. Earth is magnetic

Explanation:

5 0
3 years ago
What is the answer for this question please help
Nezavi [6.7K]
The plant belongs to the group Angiosperm. Vascular plants with seeds could be cycads, Gingko, conifers, or angiosperms. Among those groups, only angiosperms have flowers.
The plant they found have colored, scented flowers which suggests that it could be pollinated by insects or birds. Colored flowers attract birds and insects. Color serves as a guiding mark. Talking of scent, it does not attract bird, but attracts insects. It also serves as the guiding mark.
7 0
3 years ago
Which part of the microscope is used to make small adjustments in the image of an object?
Rus_ich [418]

Answer:

The part of the microscope that is used to make small adjustments in the image of an object is the fine adjustment.

Explanation:

In the optical microscope, the fine adjustment knob allows precise focusing of the sample being studied.  This means making minimal adjustments in order to better observe the microscopic image.

After the initial focusing with the coarse adjustment knob, with the fine adjustment it is possible to highlight the details that require more attention, as well as the refringency of the sample, if it exists.

The other options are not correct because:

<em>     A. </em><em><u>Eyepiece</u></em><em>  is the lens that receives the image from the objective lens, that has contact with the eyes of the observer.</em>

<em>     C. </em><em><u>Coarse Adjustment  </u></em><em>is the rough magnification, used for the initial approximation of the image.</em>

<em>     D. </em><em><u>Objective lens</u></em><em> enlarges and defines the image of the sample on the slide.</em>

6 0
3 years ago
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