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MAXImum [283]
4 years ago
8

Butterflies bats and birds all have wings that allow them to fly butterfly wings however do not have bones like bat and Bird win

gs do
Biology
1 answer:
Talja [164]4 years ago
5 0

Answer:

The wing of butterflies compared to that of birds and bats show <u><em>analogy</em></u>.

Explanation:

In the field of biology, analogy can be described as organisms which might have the same function but different biological origin. As we know, all of the flying animals have wings to fly. But all these organisms might not have a common origin. When comparing bats and birds to butterflies, we can see that butterflies have two pair of wings whereas, bats and birds have a single pair. Also, there are many other differences like the wing of a bird has feathers while butterflies do not have feathers.

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Which of the following is NOT a freshwater ecosystem? a . a river b . a lake c . an estuary d . a stream
JulijaS [17]
They are all freshwater. So the closest would be c. an estuary since it has a free connection with the sea since the sea is not freshwater.
So C.
hope this helps!
8 0
3 years ago
Read 2 more answers
Mars had an orbital period of 1.88 years. In two or more complete sentences,explain how to calculate the average distance from m
Vanyuwa [196]
This is an interesting problem involving astronomy, in fact, simple physics.
Let r=distance of sun to mars, in metres

<span>Mars had an orbital period of 1.88 years.
=>
tangential velocity, v, of the planet, in m/s is
v=\frac{2\pi{r}}{T}
</span>=\frac{2\pi{r}}{1.88*365.25*86400} m/s, accounting for leap years
=3.371*10^{-8}\pi{r}   m/s

The centripetal force, Fc, generated is
Fc=\frac{mv^2}{r}   
        where m=mass of mars = 6.39*10^(24) kg
=\frac{mv^2}{r}
=\frac{6.39*10^{24}v^2}{r}
=7.26168*10^9\pi^2r

The gravitation pull from the sun, Fg, is given by
Fg=\frac{GMm}{r^2}
    where G=grav. const., =6.67408*10^(-11) m^3<span> kg^(</span>-1)<span> s^(</span>-2)
              M=mass of sun=1.989*10^(30) kg
=\frac{6.67408*10^{-11}1.989*10^{30}6.39*10^{24}}{r^2}
=\frac{8.4826*10^44}{r^2}

Since the radial distance is in equilibrium, the average distance, r can be found by equation Fc=Fg and solving for r:
Fc=Fg
=>
7.26168*10^9\pi^2r=\frac{8.4826*10^44}{r^2}
Solving for the real root:
r^3=\frac{8.48256*10^44}{7.26168*10^9*%pi^2}
=\frac{1.1681263*10^{35}}{\pi^2}
=2.279*10^11 m


5 0
3 years ago
What is the animal kingdom classification chart?
nordsb [41]
Kingdom, phylum, class, order, family, genus, and species is the classification chart levels in order from most broad to least.
3 0
3 years ago
Pls help it’s due todayyyy
Alexxx [7]

Answer:

the number of protons, neutron and electron for a neutral atom of nitrogen is p:7E:7N:7

4 0
4 years ago
Which of the following are examples of green transportation planning? (Select the
aksik [14]

Answer:

1. Make sure there are lots of bike paths

2. Design roads that work well with the area's public transportation

3. Include an HOV lane in the design

Explanation:

Green transportation planning is a form of planning in which roads are designed such that individuals are discouraged to drive alone on the road and at the same time utilized more environmentally friendly means of transportation. It also includes designing adequate lanes or paths for specific kinds of traffic or transportation.

Hence, in this case, the correct answers are:

1. Make sure there are lots of bike paths

2. Design roads that work well with the area's public transportation

3. Include an HOV lane in the design

3 0
3 years ago
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