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mestny [16]
3 years ago
5

Why would it be pointless for reptiles to sit on their eggs to incubate them as birds do? (2 points) Reptiles have teeth with wh

ich to defend their eggs from predators, so they do not need to hide the eggs. Reptiles have no feathers and cannot cushion the eggs from bumping into each other without them. Reptiles are ectotherms and cannot raise their body temperature above that of the environment. Reptile eggs are not amniotic and have no shell, so sitting on them would crush them.
Biology
2 answers:
Alika [10]3 years ago
6 0
The correct answer is: 'Reptiles are ectotherms and cannot raise their body temperature above that of the environment'. Birds sit on their eggs to incubate the eggs as the body temperature of the adult bird warms up the eggs. Birds are <span>endothermic homeotherms, and maintain a constant body temperature. In contrast </span>reptiles <span>are ectothermic poikilotherms, and their body temperature depends on the temperature of the outside environment.</span>
zepelin [54]3 years ago
3 0
The correct answer is that they are ecotherms and cannot raise their body temperature 
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A performer, seated on a trapeze, is swinging back and forth with a period of 8.90 s. If she stands up, thus raising the center
iren2701 [21]

Answer:

8.800s

Explanation:

When the performer swings, she oscillates in SHM about Lo of the string with time period To = 8.90s.

First, determine the original length Lo, where for a SHM the time period is related to length and the gravitational acceleration by the equation

T = 2π×√(Lo/g)..... (1)

Let's make Lo the subject of the formulae

Lo = gTo^2/4π^2 ..... (2)

Let's put our values into equation (2) to get Lo

Lo = gTo^2/4π^2

= (9.8m/s^2)(8.90s)^2

------------------------------

4π^2

= 19.663m

Second instant, when she rise by 44.0cm, so the length Lo will be reduced by 44.0cm and the final length will be

L = Lo - (0.44m)

= 19.663m - 0.44m

= 19.223m

Now let use the value of L into equation (1) to get the period T after raising

T = 2π×√(L/g)

= 2π×√(19.223m/9.8m/s^2)

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3 years ago
The establishment of a bird reservation is a way to (1 point)
never [62]
\bold{ANSWER:}

Last option: Preserve an ecosystem

\bold{EXPLANATIONS:}

• The establishment of a bird reservation is a way to preserve an ecosystem because reservation provides suitable environment to organism. A healthy ecosystem means large number of biodiversity.
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