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timama [110]
3 years ago
14

Which method would best allow the scientist to confirm the actual age of the fossil?

Biology
1 answer:
Norma-Jean [14]3 years ago
3 0

radiometric dating methods

Absolute dating is used to determine a precise age of a rock or fossil through radiometric dating methods. This uses radioactive minerals that occur in rocks and fossils almost like a geological clock. It's often much easier to date volcanic rocks than the fossils themselves or the sedimentary rocks they are found in.
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three sentences about the role termites play in modifying the natural proses of water carbon or nitrogen cycle
amm1812

Answer:  

-help to store water in the soil (by increasing infiltration) rather than evaporating (enabling the plants survive long periods of drought)

-mix inorganic and organic compounds in the soil (and thus it can better resist the process of erosion)

-termite’s feces help to prevent erosion  

Explanation:

Decomposers break down complex organic matter into basic compounds containing nitrogen, phosphorus, and calcium, generating water (H2O) and carbon dioxide (CO2) during this process. Termites are critical in an ecosystem because they are decomposers, i.e., they are recyclers that break down organic material into nutrient-rich soil. For example, termites digest the cellulose from dead plants (due to the presence of specific bacteria in their digestive tract), thus allowing the carbon cycle.

7 0
4 years ago
During DNA replication two identical DNA molecules are produced from one original molecule. Which statements below explains why
nadya68 [22]
I don't seem anything but they go through a cell cycle called mitosis. The cells during interphase produce double of everything and then during PMAT, the cells split.

6 0
4 years ago
A nucleus contains DNA. During cell division they form tiny rod shaped bodies. What are they called?
kiruha [24]

I believe it’s chromatids

8 0
3 years ago
9/16 dark blue: 6/16 light blue: 1/16 white
Daniel [21]
IF THIS IS THE COMPLETE QUESTION WITH MULTIPLE CHOICE.

Two genes interact to produce various phenotypic ratios among F2 progeny of a dihybrid cross. Design a different pathway explaining each of the F2 ratios below, using hypothetical genes R and T and assuming that the dominant allele at each locus catalyzes a different reaction or performs an action leading to pigment production. The recessive allele at each locus is null (loss-of-function). Begin each pathway with a colorless precursor that produces a white or albino phenotype if it is unmodified. The ratios are for F2 progeny produced by crossing wild-type F1 organisms with the genotype RrTt.

9/16 Dark Blue 6/16 light blue 1/16 white

A) At least one copy of each dominant allele results in dark blue, at least one copy of either dominant allele produces light blue, and the absence of both dominant allele produces white.

B) If both dominant alleles are present, the result is dark blue. At least one copy of one specific dominant allele is required for light blue. If that dominant allele is not present, the result is white, regardless of whether the other dominant allele is present.

C) At least one copy of both dominant alleles results in dark blue; at least one copy of one of the dominant alleles also results in dark blue, but at least one copy of the other dominant allele produces light blue; and the absence of either dominant allele produces white.

MY ANSWER IS:
A) At least one copy of each dominant allele results in dark blue, at least one copy of either dominant allele produces light blue, and the absence of both dominant allele produces white.
3 0
4 years ago
When the inherited blood types of mother and fetus differ, the most common cause of difficulties is?
Ne4ueva [31]

Answer;

-Rh factor incompatibility

Explanation;

-Rh incompatibility is a condition that occurs during pregnancy if a woman has Rh-negative blood and her baby has Rh-positive blood.

-Rh incompatibility rarely causes complications in a first pregnancy and does not affect the health of the mother. But if Rh antibodies develop, they could be dangerous to a fetus during later pregnancies. Rh disease can cause severe anemia, jaundice, brain damage, and heart failure in a newborn.

4 0
4 years ago
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