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3 years ago

The fossils called homo floresiensis were dated to:

1 answer:

8 0

The fossils called homo floresiensis were dated to 18,000 yBP. H. floresiensis individuals stood approximately 3 feet 6 inches tall, had tiny brains, large teeth for their small size, shrugged-forward shoulders, no chins, receding foreheads, and relatively large feet due to their short legs. They made and used stone tools, hunted small elephants and large rodents, coped with predators such as Komodo dragons, and may have used fire.

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Give a brief explanation of why food webs are preferred over food chains for representing the flow of energy in an ecosystem.

olga nikolaevna [1]

<h3>The Food webs are preferred over food chains for representing the flow of energy in an ecosystem for the following reasons: </h3>

The food webs are higher in complexity when compared to food chains and also, in food web, more than one primary producers is present which increases the 'flow of energy' in the ecosystem.

Food web represents the real life better than the food chains do.

Food web shows many different paths through which the organisms can be connected.

6 0

3 years ago

A train car is to a train, as a _____________________ is to a polymer as a molecule is to a __________________________.

insens350 [35]

Answer:

The correct answer is - Polymer (macromolecules), monomer (building blocks

Explanation:

Polymers are comparable to the train as polymers are made up of several monomers linked together to carry more but can be removed from the polymer if required similarly the train cars that are comparable to the monomers or building block are joined together but can be taken off.

Macromolecules are polymers that are made up of joining monomers together and makes large molecules. Macromolecules like carbohydrates are made up of monosaccharides as monomers, proteins are made up of amino acids as monomer or building block, lipids are made up of fatty acids and nucleic acid are made up of nucleotides.

7 0

3 years ago

What is a "false crawl"

xeze [42]

A false crawl is when a turtle comes onto the beach with the intention of laying eggs but returns to the water without nesting. Hope this helps!

This was not copied from a website or someone else. This was from my last year report.

5 0

4 years ago

Gregor Mendel observed that two plants with purple flowers could produce some offspring with white flowers and some offspring wi

podryga [215]

Answer:

Heterozygosity

Explanation:

The correct term that could explain the phenomenon is heterozygosity.

In heterozygous condition, a gene is made up of two different alleles in which one would be dominant and the other would be recessive.

In heterozygous purple plants in which the alternate color is white, the white color is not expressed because its allele is in a recessive state. If two heterozygous plants are mated, the recessive allele in each plant would combine into some of the offspring, resulting in the production of white color progeny in addition to the dominant purple color progeny.

Let us assume that the purple color allele is P and the white color is p.

Pp x Pp

PP Pp Pp pp

PP and Pp - purple color

pp - white color.

4 0

3 years ago

Describe the anatomic location of the pancreas relative to the other organs in the upper portion of the abdominal cavity

Brums [2.3K]

Answer:

super cala fragilistic expiladocious

Explanation:

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3 years ago