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AnnZ [28]
3 years ago
8

Fill in the blanks to complete each statement about the age of Earth. According to scientific evidence, Earth is approximately 4

.6 billion years old. Scientists used fossils and rocks dating to determine Earth’s age.
Biology
1 answer:
Dafna11 [192]3 years ago
4 0

Answer:

where are the blanks???

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An interaction between two organisms in which one usually benefits is known as .
AVprozaik [17]

Answer:

commercialism

Explanation:

an association between two organisms in which one benefits and the other derives neither benefit nor harm.

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Explain why the size of a new moon would affect the appearance of a solar eclipse.
USPshnik [31]

Answer:

A solar eclipse can occur only when new moon occurs close to one of the points (known as nodes) where the Moon's orbit crosses the ecliptic. ... Therefore, the Moon's apparent size varies with its distance from the Earth, and it is this effect that leads to the difference between total and annular eclipses.

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What is a list of types of organisms in an eco pyramid?
gtnhenbr [62]

Termites, koalas, field mice, and deer.

7 0
3 years ago
All organisms in the kingdoms Eubacteria and Archaebacteria ____________?
Basile [38]

Answer:

C

Explanation:

A prokaryote is a typically unicellular organism that lacks a nuclear membrane-enclosed nucleus.

6 0
3 years ago
Read 2 more answers
Gray seed color in peas is dominant to white. Assume that Mendel conducted a series of experiments where plants with gray seeds
bazaltina [42]

Answer:

(a) Gg × Gg; (b) genotypic = 1:2:1, phenotypic = 3:1

Explanation:

a) A cross between two gray seeded plants produces progeny with gray and white seeds in 3:1 ratio (302:98=3:1). This means that the parent plants are heterozygous and each has at least one recessive allele. If the allele "G" is responsible for gray seed and the allele "g" imparts white color to the seeds, the genotype of the heterozygous parents would be "Gg".  

b) A cross between two heterozygous gray seeded parents would produce progeny in following ratio:

Genotype ratio= 1 GG: 2 Gg: 1 gg

Phenotype ratio= 3 Gray: 1 white

4 0
3 years ago
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