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aleksklad [387]
3 years ago
6

Which describes a constant in an experiment?

Biology
1 answer:
umka21 [38]3 years ago
8 0
A constant in an experiment is <u>B. </u><span><u>the quantity that must remain the same</u>. If it is constant, it doesn't change, so it cannot be variable. D makes no sense.
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Which statement best defines the relationship between marine biology and oceanography? Marine biology is the study of marine org
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The correct option is this: MARINE BIOLOGY IS THE STUDY OF ALL ORGANISMS FOUND IN THE OCEAN, WHILE OCEANOGRAPHY IS THE STUDY OF THE PHYSICAL, CHEMICAL AND GEOLOGICAL FEATURES OF THE OCEAN.
Marine biology is the scientific study of all the organisms in the sea while oceanography is the study of the physical, geological and the biological aspects of the ocean.
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Answer: Genetic engineering is a tool in biotechnology wgich is beneficial to both the organism, the society and the environment.

What is genetic engineering?

Genetic engineering is a technique in biotechnology in which genes of organisms are manipulated to produce desirable effects in the organism.

Genetic engineering provided benefit to both the organism as well as the society.

To the organism, it gives the organism an advantage of increased chances for survival, for example producing disease-resistant crops.

To the society, it enhances food production as plants produce more food when healthy.

To the environment, it enables these disease to disappear as they can no longer affect organisms.

Explanation:

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2 years ago
Royal Bengal tigers live in forests in South Asia. These tigers are categorized as endangered species. The population of these a
Alisiya [41]

Answer:

The first blank can be filled with tagging. One of the procedures for studying the movements, biology, and migration of animals is known as tagging of animals. Tagging is utilized to examine the long-range irregular and regular movements of animals and to identify their life-span. All kinds of mollusks, vertebrates, and insects can be tagged.  

The second blank can be filled with designate their area as a national park. Designation of the areas as a national park is one of the methods of conserving animals, like a tiger.  

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3 years ago
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The ecology question above says : A fast swimming strong body fish such as a swimming which is adapted to clear fast and strong
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Correct question:  A fast swimming strong body fish such as a <u>salmon</u> which is adapted to clear fast and strong water current would most likely be found in which aquatic zone? Options in the attached file

Answer:

Source of a river zone

Explanation:

The fishes body is directly correlated with their environment and the pressures they receive from it. Those animals that are used to living in clear waters, with fast currents must be very strong, must have a hydrodynamic torpedo-like body and big and strong caudal fin to propel against the currents. These animals are used to living in water masses such as the source of a river zone.

Rivers belong to lotic environments, characterized by constant moving water.

  • Profundal zone: Sunlight can not reach this zone, so there are no plants. The Water movement is very limited, and in most cases, water is not clear.
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  • Wetland zone: In general these are calm water, very rich in diversity, and a proper breeding area for a wide variety of fish.
  • Source of a River zone: Rivers flow from higher to lower areas. They originate at the top of the mountains and fastly descend to finally end in a lake or in the sea.

Some species of salmons characterize by living in the sea during sexual maturity, but whenever they need to breed, they go back to the area where they were born. This is in sweet water. They swim in the river until they reach the place where they are going to oviposit. In order to do this, they need to swim against the current. Many times, females die trying to reach this special place.

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