1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
ziro4ka [17]
3 years ago
6

3. What is the name of the era (time interval) prior to the presence of abundant fossils?

Biology
1 answer:
timofeeve [1]3 years ago
6 0

answer: proterozoic eon

Explanation:  they found an abundant amount of fossils around 1.8 billion years ago, this would be called the  proterozoic eon

You might be interested in
When DNA Is duplicated from mRNA which DNA, mRNA uses a __ nucleotide instead of T.
vredina [299]

Answer:

1. When DNA is duplicated from mRNA which DNA, mRNA uses a <u>U</u> nucleotide instead of T.

2. If the mRNA sequence is GUACUGUAC, the DNA Sequence is <u>CATGACATG</u>.

Explanation:

1. The only thing that changes from a DNA sequence to an RNA sequence is that the thymine (T) in DNA is changed to Uracil (U) in RNA.

2. There should be no Uracil (U) in a DNA sequence–– only ATCG. Just matching with the given pairings.

G can transcribed to C.

C can be transcribed to G.

A can be transcribed to T.

U can be transcribed to A.

4 0
2 years ago
In parts of the United States Midwest, you can find fossils of ancient sea creatures. Some of these fossils could easily be mist
Naya [18.7K]
The answer to this is C. The ancient fossils are a record of when shallow seas covered much of the united states. While the fossils are of organisms that are the precursors of many modern day organisms, changes in ocean geography and other factors eventually caused those older species to become extinct.
8 0
2 years ago
What structure is responsible for moving the chromosomes during mitosis?
Margarita [4]
Spindle fibers extend from centrioles to kinetochores and are responsible for moving chromosomes around during the mitosis
3 0
3 years ago
What is the most common visible sign that could indicate that michelle has an iodine deficiency?
Alex
The most common visible sign that could indicate that Michelle has an iodine deficiency<span> would be a goiter. A goiter is an enlargement of the thyroid gland that makes a </span>visible<span> bump in the neck. 2.</span>
5 0
3 years ago
Mutation on its own is unlikely to play an appreciable role in speciation, except when the mutation:
igor_vitrenko [27]
Is sense and is heritable and ocour in exon part
8 0
3 years ago
Other questions:
  • The renal corpuscle includes which parts of the nephron?
    9·1 answer
  • Research indicates that approximately __________ infants is born with fetal alcohol syndrome (fas)
    6·1 answer
  • What sequence of amino acids would be coded by the following set of nucleotides?
    5·1 answer
  • the presence of cilia on an epithelial tissue's apical surface indicates that the tissue is sensitive to pressure. true or false
    15·1 answer
  • Compare and contrast prokaryotic and eukaryotic cells in terms of genetic material
    11·1 answer
  • (GIVING BRAINLIEST) ______________ energy is the total potential and kinetic energy of particles in an object.
    11·1 answer
  • ____________________________ is the process in which humans chose the desired traits of an organism.
    13·1 answer
  • The skeletal and muscular systems are similar because
    12·1 answer
  • (05.04 HC)
    10·1 answer
  • What two human systems deal with allergies?
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!