C. BAT can detect sound at a frequency of 67,000 Hz. Its frequency range is 2,000 - 110,000 Hz67 - 45,000 Hz.
An elephant's frequency range is 16-12,000 Hz.
A tree frog's frequency range is 50 - 4,000 Hz
A dog's frequency range is 67 - 45,000.
Bats have very sensitive hearing to cope with their nocturnal activities. Since the feed at night time, they have difficulty in seeing their prey.
Bats navigate and locate their prey using echolocation. Echolocation is a method where bats produce a very loud sound and assess the sound's echo. The echo has two types of frequency. Constant frequency, used to detect object, and Frequency modulated, used to assess the distance of the object. Bats then know the presence of its prey as well as its location.
We have 20 different amino acids in our bodies.
Fishing until reaching an established quota that allows the fish population to rebound each season is a method of sustainable fishing
<h3>What is sustainability ?</h3>
The main objective of sustainability is for people to live in peace and harmony on Earth for an extended period of time. Specific definitions of sustainability are difficult to agree on and hence vary in the literature and across time
- Sustainability is often represented diagrammatically. The figure at the top of this page suggests that there are three pillars of sustainability – economic viability, environmental protection and social equity.
- Sustainability is important for many reasons including: Environmental Quality – In order to have healthy communities, we need clean air, natural resources, and a nontoxic environment. Growth - UNTHSC's enrollment continues to expand, thus we demand additional resources such as energy, water, and space.
Learn more about Sustainability here:
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The head at the top, the tail is just for getting to the egg
2and3 only are the defense
