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DerKrebs [107]
3 years ago
12

The original remains of ancient animals such as saber-toothed cats have been perserved in _____.

Biology
1 answer:
PSYCHO15rus [73]3 years ago
4 0
<span>bones and footprints preserved in stone are examples of fossils. Fossils hardened animal remains such as shells, bones, and teeth.</span> That is the best i can come up with. Hope it helps any.
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Based on your own investigation, what challenges do you think scientists face when classifying new organisms?
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They're multiple ways to categorize nearly everything in biology. The value of an individual categorization scheme depends on the perspective of the user. The Classification of organisms is a hard task causes many organisms to have their differences and similarities, whereby making it very complicated in classifying organisms.

8 0
3 years ago
When apparent competition occurs, the:
artcher [175]

Answer:

The correct answer is:

population of the predator species is larger and the populations of the prey species are smaller. (C)

Explanation:

apparent competition occurs occurs between two species or group of organisms that do not directly compete for resources affect each other indirectly by being prey to the same predator. For example consider three species of organisms; sparrows, earthworms and beetles, where earthworms and beetles are preys of the sparrows, an increase in the population of earthworms will in the long term lead to an increase in the population of sparrows, which means that more predators will be available, leading to a decrease in the population of beetles, because more predators are available to prey on them. Also a decrease in the population of earthworms will also lead to a decrease in the population of beetles because their probability of being seen by the predators will increase leading to an increase in their killing.

Therefore in apparent competition, although it occurs between two prey species, their in an increase in the number of predators and a decrease in the population of the prey.

3 0
3 years ago
It became apparent to Watson and Crick after completion of their model that the DNA molecule could carry a vast amount of heredi
balu736 [363]

Answer:

The correct answer is option A) "Sequence of bases".

Explanation:

Even though DNA most of the time is comprised entirely of only four different nucleotide bases (adenine, thymine, guanosine and citosine), it is the sequence of these bases that allows DNA to carry a vast amount of hereditary information. The genes that carry the hereditary information are translated according to the sequence of the DNA bases. The information is translated by triplets of bases (codons) that correspond to different amino acids that are added to new synthesized proteins during translation.

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3 years ago
______ is the transfer of energy through spaces as electromagnetic waves in all directions?
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Answer:

electromagnetic radiation Transfer of energy by electromagnetic waves across space or through matter.

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