cmikell124
21.07.2019 •
Physics
Match the adaptations with their benefits.match the adaptations with their benefits. the wasp’s stinger the peacock’s bright plumage the owl’s large eyes the bear’s fur to search for food arrowboth protection against predators arrowboth attraction to obtain a mate arrowboth maintain homeostasis arrowboth
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Ответ:
Ответ:
the wasp’s stinger - protection against predators
the peacock’s bright plumage - attraction to obtain a mate
the owl’s large eyes - help to search for food
the bear’s fur - maintain homeostasis
Explanation:
An adaptation can be define as any change that occurs in the morphology, physiology and genetic make up of the organism which makes it suitable for survival in it's natural environment even in adverse conditions and reproduce.
The following are the adaptations with their benefits.
the wasp’s stinger - protection against predators
The wasp stinger generally exhibit toxic substance or allergy causing agent which the wasp use when it finds a predator around it.
the peacock’s bright plumage - attraction to obtain a mate
The male peacock exhibit bright and showy feathers which is a phenotypic advantage for attraction of female mates for copulation. This phenomena is called as sexual selection.
the owl’s large eyes - help to search for food
The owl's large eyes allows the night vision. There are many rods and cones present in the eyes of the owl so as to allow better vision in night and allow it to observe and capture prey.
the bear’s fur - maintain homeostasis
The bear's fur are insulating in nature that means it does not allow the entry of external air. Hence, helps in retaining the heat in the body in otherwise cold environment. Therefore, helps in maintaining the homeostasis (the tendency of the body retain it's constant internal environment as compared to changing external environment).
Ответ:
0.645 Hz
38.959 N/m
4.981 m/s
18.976 J
6.495 J
12.031 J
3.965 m/s
Explanation:
k = Spring constant
m = Mass = 1.53 kg
A = Amplitude = 0.987 m
Number of cycles = 78
Time = 121 s
Frequency is given by
The frequency is 0.645 Hz
We have the relation
Spring constant is 38.959 N/m
Energy is conserved
The speed is 4.981 m/s
Potential energy is given by
The energy is 18.976 J
At 60.5%
The energy is 6.495 J
Total energy
The energy is 12.031 J
Speed
The speed is 3.965 m/s