Answer:
To avoid Hyper-oxygenation
Explanation:
Crucian carp have the ability to increase gill surface to maximize oxygen intake, or reduce overall area when under specif circumstances. If the fish does not need so much oxygen it will cover the protruding lamellae to reduce oxygen intake and avoid Hyper-oxygenation.
Answer:
A. It has yet to be dated.
Explanation:
<em>Homo naledi</em> is a hominids species that was discovered in the Dinaledi Chamber of the Rising Star Cave system in South Africa in 2013. The expedition found more than 1550 specimens from at least 15 <em>Homo naledi</em> individuals. Another 133 specimens of at least 3 individuals were found on the nearby Lesedi Chamber. It is not true that the species is yet to be dated, as the fossils have been dated to between 335,000 and 236,000 years ago.
Hello there!
A <em>hypothesis</em> is an initial proposal that is tentative, whereas a <em>theory</em> is a proposal that has been tested extensively.
Explanation:
A hypothesis is defined as a supposition or proposed explanation made based on evidence to make further investigation. And a theory is something based on ideas to explain other things or general principles where the practice is an essential key for investigation success.
Answer: D. The right lane
B, Kenya is the correct answer