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
Anvisha [2.4K]
3 years ago
5

Banded iron formations show us when

Biology
1 answer:
Irina-Kira [14]3 years ago
6 0

Answer:

oxygen became plentiful on earth

Explanation:

This is because banded iron formation is formed as a result of oxygen present in the ocean which is produced from cyanobacteria which undergo photosynthesis to produce carbohydrates and oxygen.

The oxygen produced are plentiful and they react with dissolved iron on the Earth's ocean to produce iron oxides which precipitated out and form a thin line floor on the ocean.

You might be interested in
What is the purpose of operons in prokaryotes?
Tems11 [23]
The operon is effectively the center of transcriptional control. In addition to its main structural genes, the operon houses an operator and a promoter. In front of the promoter lies a regulatory gene that produces repressor proteins. When a repressor is in its active state, it binds to the operator.
Hope this helped.
4 0
3 years ago
What is meant by "peer review" in scientific journals?
ryzh [129]

Peer review is a means of quality control for scholarly journal articles and books. It is the evaluation process of academic, scientific and professional work done by other individuals working in a similar field. Sometimes, the articles published in academic Journals are also referred as scholarly journals.

Hope this helps.

4 0
3 years ago
What one is not a problem related to the timber industry?
jasenka [17]

Answer:

chemicals are dumped into lakes and rivers

Explanation:

all the other choices are results of cutting down trees

8 0
3 years ago
Read 2 more answers
The branch of biology that explains both the diversity and the unity of life is ________. microbiology taxonomy evolution geneti
iVinArrow [24]

Answer:

Evolution

Explanation:

Evolution is the change in habits, hereditary and physical characteristics of a species over various generations in response to environmental conditions. Evolution lead to adaptation, the nature selection of the fittest and elimination of remaining.

Evolution may produce variety and diversity in response to mutation, genetic drift and other genetic variation. These changes may pass to offspring and may express them more in one group of population.

Evolution also explain the unity among organisms by explaining their shared characteristics. This refers to their common ancestors.

7 0
3 years ago
Can someone please help me I would rlly appreciate it and no links or false answers for free pts!
Yuri [45]

Answer:

3

Explanation:

that will cause wetlands because water can overflow because of rain.

8 0
3 years ago
Other questions:
  • Suppose a population of insects live in a sandy habitat. some of the insects have tan bodies and some have green bodies. over ti
    5·1 answer
  • Write an “O” next to statements that are examples of Observations and an “I” next to those statements that are Inferences. _____
    14·1 answer
  • The snowshoe rabbit has unusually large hind feet. This adaptation helps the snowshoe rabbit
    11·2 answers
  • In 1859, Charles Darwin described a model of how living things change over time. He described this model and the evidence that s
    6·2 answers
  • Why has the classification of organisms changed over time?
    8·1 answer
  • how does the clearing and burning of large regions of tropical rain forest increase the amount of carbon dioxide in the atmosphe
    12·2 answers
  • ______ is a defense mechanism that occurs when group members believe the logical, but false explanation of their behavior.
    6·1 answer
  • Within a narrow range of temperatures, S. marcescens produces a red pigment called prodigiosin. Although the ultimate purpose of
    8·1 answer
  • The connective tissue membrane that encloses a bone is the
    14·1 answer
  • Suggest and explain two possible causes for the trends demonstrated in the graphic above.
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!