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zzz [600]
2 years ago
6

PLEASE HELP!!

Biology
2 answers:
PIT_PIT [208]2 years ago
7 0

Answer:An index fossil

Explanation:An index fossil can be used to identify a specific period of time. Organisms that make good index fossils are distinctive, widespread, and lived briefly. Their presence in a rock layer can be used to identify that period of time over a large area.

aev [14]2 years ago
3 0

Answer:

Index

Explanation:

An index fossil can be used to identify a specific period of time. Organisms that make good index fossils are distinctive, widespread, and lived briefly. Their presence in a rock layer can be used to identify that period of time over a large area.

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Alex
Because Theyr lungs don’t get enough air they are supposed to
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2 years ago
What information can a scientist learn directly from a single fossil? A. The organism's shape and size B. The life expectancy of
Elena L [17]

C. How the organism is related to others

Explanation:

From a single fossil, a scientist can learn how the organism is related to others. Fossils are the preserved remains of organisms that are usually found in rocks.

  • Organisms must posses certain characteristics to ensure their preservation as fossils.
  • Most organisms that are preserved usually have hard parts.
  • Some climatic influence can also arrest decay and provide a platform organisms to be preserved wholly.
  • Fossils are used for relative dating of events in nature.
  • They can also be used to determine how an organism is related to another.
  • This is called phylogeny. It is the study of evolution and how organisms relates to one another.
  • Fossils are very good and useful phylogenetic tools.

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Fossils brainly.com/question/12790206

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3 0
3 years ago
How did the articles of confederation compare to the constitution in regard to sovereignty?
natita [175]

States enjoyed greater autonomy under the Articles, whereas the Constitution granted some powers to the states.

<h3>What is articles of confederation?</h3>
  • The 13 founding states of the United States of America came to an agreement known as the Articles of Confederation and Perpetual Union, which functioned as the country's first system of governance.
  • On November 15, 1777, the Second Continental Congress approved it following lengthy discussion and forwarded it to the states for ratification.
  • In the Articles of Confederation, which served as the nation's first constitution, the confederacy of the former 13 colonies was referred to as "The United States of America."
  • The 13 articles that made up the Articles of Confederation granted authority to a federal government headed by Congress.
  • Following the United States' declaration of independence from Great Britain, the national government's functions were codified in the Articles of Confederation.
  • The Continental Congress approved the Articles of Confederation on November 15, 1777.
  • This text functioned as the first constitution of the United States.
  • It lasted from March 1, 1781, until the current Constitution took effect in 1789.

Learn more about the articles of confederation here:

brainly.com/question/793228

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5 0
2 years ago
9. Consider the below Punnett square cross. Explain how you could use it to determine which parent
kogti [31]

Answer: The father determines the biological sex of a baby

Explanation: Human beings have two sex chromosomes, males have XY chromosomes whereas females have XX chromosomes. During fertilization, an egg from a woman fuses with a sperm cell from a man to form a zygote. Women have two X chromosomes (XX) and any point in time they can only release an egg bearing an X chromosome but males have one X and one Y chromosome, therefore they can either release a sperm cell with an X chromosome or a sperm cell with a Y chromosome. When an egg with X-chromosome fuses with a sperm cell with an X chromosome, the resulting baby is a female but when an egg with an X chromosome fuses with a sperm cell with a Y chromosome, the resulting baby is a male.

What makes the difference in both sexes is the Y chromosome from the man, therefore the father determines the biological sex of a baby.

3 0
3 years ago
What's Chlorophyll ?​
Art [367]

Answer:

Chlorophyll is any of several related green pigments found in the mesosomes of cyanobacteria and in the chloroplasts of algae and plants. Its name is derived from the Greek words χλωρός, khloros and φύλλον, phyllon. Chlorophyll is essential in photosynthesis, allowing plants to absorb energy from light.

Explanation:

5 0
2 years ago
Read 2 more answers
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