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antiseptic1488 [7]
3 years ago
10

What is the major distinction scientists use to divide the animal kingdom?

Biology
1 answer:
pogonyaev3 years ago
7 0

Answer:

Whether the animal has a vertebral column or not.

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What genetic information is stored in DNA
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The role of DNA is to storegenetic information. Thegenetic information is storedin the chemical structure of...DNA is short for deoxyribonucleic acid. DNA is found in the nucleus of the cell.
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The force of gravity depends on what 2 things
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mass and distance

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A briefly explain the genetic and evolutionary implications of lederberg and lederberg’s (1952 finding that mutations adapted to
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Lederbergs' experiment of the prevalence of mutations before selective culture was proved by replica plating. They spread bacteria on the plate and allowed them to grow. Next, they stamped the growth on the new plate which was already containing penicillin. The bacteria were able to grow on this plate, even when they never exposed to the antibiotic before. This proved that some of the bacteria were already mutated and were not as a result of exposure to selective culture conditions. 
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Living organisms are adapted to their environment. This means that the way they look, the way they behave, how they are built, or their way of life makes them suited to survive and reproduce in their habitats. For example, giraffes have very long necks so that they can eat tall vegetation, which other animals cannot reach. The eyes of cats are like slits. That makes it possible for the cat's eyes to adjust to both bright light, when the slits are narrow, and to very dim light, when the slits are wide open.

Behavior is also an important adaptation. Animals inherit many kinds of adaptive behavior. In southern Africa there are small animals called meerkats, which live in large colonies. The meerkats take turns standing on their hind legs, looking up at the sky to spot birds of prey. Meanwhile, the meerkats in the rest of the colony go about their lives. You can probably think of many other features of body or behavior that help animals to lead a successful life.

In biology, an ecological niche refers to the overall role of a species in its environment. Most environments have many niches. If a niche is "empty" (no organisms are occupying it), new species are likely to evolve to occupy it. This happens by the process of natural selection.

Many fossils of different kinds of horses have been discovered, and paleontologists think that the earliest ancestor of the modern horse lived in North America more than 50 million years ago. This animal was a small padded-foot forest animal about the size of a dog. If you saw one next to a modern horse, you might not even think the two were related! As time passed, the climate of North America became drier, and the vast forests started to shrink. Grasses were evolving, and the amount grassland was increasing. Horses adapted to fill this new grassland niche. They grew taller, and their legs and feet became better adapted to sprinting in the open grasslands. Their eyes also adapted to be further back on their heads to help them to see more of the area around them. Each of these adaptations helped the evolving grassland horses to avoid predators. Their teeth also changed to be better adapted to grinding tough grassland vegetation.

Explanation:

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Hurricane Katrina.

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The impact hurricane Katrina had on aquatic ecosystem was terrifying. 150,000 acres of coastal wetlands was damaged. Approximately fifty sea turtles nests were lost. Oil, chemicals, and various other hazardous waste which released in the aquatic ecosystem resulted in the death of aquatic habitats. These are just a few examples of the impact the disastrous Katrina Hurricane had in our ecosystem.

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