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
UkoKoshka [18]
3 years ago
15

When did arundant fossil evidence first appear in the geologic record

Biology
1 answer:
Delvig [45]3 years ago
7 0
<h2>540 million years ago </h2>

Paleozoic.

Era immediately follows Precambrian It lasted about 4.5 billion years.

When did abundant fossil evidence first appear in the geologic record.

540 million years ago.

You might be interested in
g Wilderness ecosystems are dynamic, complex, and often fragile, and may be impacted by human use and activities occurring both
ipn [44]

The given statement "wilderness ecosystems are dynamic, complex, and often fragile, and may be impacted by human use and activities occurring both within and outside wilderness boundaries," is true.

Wilderness ecosystems

The wilderness ecosystem is the ecosystem that has been left undisturbed by humans. There are many areas on the planet that are considered wilderness such as the Great Barrier Reef, the Amazon forest, etc. They are rich in both flora and fauna diversity.

In the United States, a total of 42× 10^{4} ha is under the protection of the National Wilderness Prevention System. They are the lands devoted to the protection of the natural ecosystem. Such an arrangement had to be made due to human encroachment and various other factors that affect the wilderness ecosystem. The main threats to the wilderness ecosystem are

  • Using the land for recreational uses
  • Grazing by livestock
  • Forest fire
  • Pollution
  • Global warming
  • Invasion of alien species
  • The unnatural flow of water due to diversions, dams, impoundments, etc.

Learn more about ecosystems here:

brainly.com/question/12737609

#SPJ4

4 0
2 years ago
Question 48 (1 point)
miskamm [114]

Most of the functions of your intestines are a result of the signals sent by your autonomic nervous system (ANS). It is a fundamental constituent of the peripheral nervous system.

<h3>What is the autonomic nervous system?</h3>

The autonomic nervous system (ANS) refers to a fundamental part of the peripheral nervous system capable of regulating diverse physiological functions.

This system (autonomic nervous system) is responsible for regulating involuntary processes such as blood pressure, heart-pumping, respiration rate, digestion, etc.

The parts of the autonomic nervous system include the sympathetic nervous system and parasympathetic nervous system.

Learn more about the autonomic nervous system here:

brainly.com/question/4143211

4 0
3 years ago
Do u think tiger could survive in the unfamiliar habitat
kifflom [539]
I think so because tigers are very intellectual creatures in which could learn to adapt to new environments.
6 0
3 years ago
Where in the cell dose the second stage of cellular respiration take place​
Dmitry_Shevchenko [17]
Mitochondria i think
6 0
3 years ago
A dry beaker has a mass of 55.0 g. When 50.0 mL of water is added to the beaker, the mass of the water and the beaker is 105.0 g
Artemon [7]
The answer is 2.1 g/ml

D = M/V

105.5/50.0 = 2.1
6 0
3 years ago
Other questions:
  • Is the element Rhenium poisonous or hazardous?
    13·1 answer
  • White bunnies are a common sight on farms and in pet stores. Why are these domestic white rabbits uncommon in the wild? A) Domes
    10·2 answers
  • Why is the age of a fault younger than the rock in which it is found?
    9·1 answer
  • describe how darwins theory of evolution by natural selection can explain the spread of antibiotic resistant microorganisms whic
    10·1 answer
  • Brown hair (B) is dominant to blonde hair. What would the PHENOTYPE of a person with a Bb allele combination have? *
    9·2 answers
  • Differentiate between photosynthesis and respiration​
    11·1 answer
  • Gene therapy is a form of _____
    15·2 answers
  • What is the relationship between a hox gene position on a chromosome and the physical appearance of an organism
    9·1 answer
  • Create a Name and Logo for your fitness program
    8·1 answer
  • Lower temperatures lead to slower soil formation. Please select the best answer from the choices provided T F.
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!