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
Tanya [424]
3 years ago
7

Need help asap! My teacher is wanting the class to find the answer on this website: https://flexbooks.ck12.org/cbook/ck-12-middl

e-school-life-science-2.0/section/4.7/primary/lesson/microevolution-and-macroevolution-ms-lsWhat are some of the ideas about the cause of the Cambrian Explosion?
Please do not comment any files or links. You will get reported!
Biology
1 answer:
Debora [2.8K]3 years ago
7 0

Answer:

Given the importance of oxygen for animals, researchers suspected that a sudden increase in the gas to near-modern levels in the ocean could have spurred the Cambrian explosion

Explanation:

you are welcome

You might be interested in
The pictures below show two processes. (4 points)
Evgen [1.6K]

Answer:

  • Both processes form minerals.
  • Volcanic eruptions form precipitates and shifting of tectonic plates form minerals.

Explanation:

Both volcanic eruptions and the shifting of tectonic plates form minerals. Volcanoes and their eruptions can directly or indirectly lead to the formation and/or deposit of minerals such as diamonds and zinc. Shifting also forms minerals due to the forces of compression the plates apply on each other as they move past.

Volcanoes are known the cause precipitates because when the erupt, the ash that is released mixes with water vapor which then becomes rain eventually.

7 0
3 years ago
Read 2 more answers
Invertebrates with "spine skin" are ______, which would include animals like ______. cnidaria;mollusca;echinodermata;porifera/ s
Nata [24]
Echinodermata; starfish
5 0
3 years ago
Read 2 more answers
What's portal of entry?
erik [133]
A portal of entry<span> is the site through which micro-organisms enter the susceptible host and cause disease/infection. Infectious agents enter the body through various </span>portals<span>, including the mucous membranes, the skin, the respiratory and the gastrointestinal tracts.</span>
6 0
3 years ago
From what kind of cross a mule is produced?​
insens350 [35]

Answer:

Mule is produced from a hybrid cross.

Explanation:

A mule is the offspring which is produced by crossing or mating of male donkey with female horse.

Where the male donkey is called Jack and female horse is called mare.

The offspring produced as a result is Mule.

The gender of Mules may be male or female but consists of 63 chromosomes.

But such produced Mules are sterile.

4 0
3 years ago
А<br> is a group of cells that have the same function.
ZanzabumX [31]

Answer:

I don’t understand...

Explanation:

You didn’t ask a question ummm

6 0
3 years ago
Other questions:
  • Normally, activity of the hypothalamic-pituitary-adrenal axis is regulated by a feedback loop that reduces the release of cortis
    9·1 answer
  • Taconite is a low-grade iron ore that is found around Lake Superior. The iron-bearing rock is found interlaced with quartz, cher
    15·2 answers
  • In what two ways are the organisms in the table similar to organisms in the plant kingdom? Due today!
    5·1 answer
  • Within the cell, dna is found in the nucleus. which of the other structures within the cell listed below normally contains dna a
    14·1 answer
  • Part 1: Make a graph of each set of data. For the first set, plot the start location data on the x-axis and the box's average sl
    5·1 answer
  • What may occur when the burning of fossil fuels releases gaseous nitrogen oxides and sulfur dioxide into the atmosphere
    11·2 answers
  • According to the basic host–pathogen model of disease, if susceptible and infected individuals are the only types of individuals
    7·1 answer
  • In general, what types of substances tend to be acidic
    7·1 answer
  • Bleh can you help? ill give brainleist to best awnser :3 (if i can)
    11·1 answer
  • Most crabgrass preventers are applied is early spring.
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!