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
Gelneren [198K]
3 years ago
10

When did the mass extinction occur? (Name the era and period)

Biology
1 answer:
kherson [118]3 years ago
6 0

Answer:

Explanation:

The first mass extinction is called the Ordovician-Silurian Extinction. It occurred about 440 million years ago, at the end of the period that paleontologists and geologists call the Ordovician, and followed by the start of the Silurian period. In this extinction event, many small organisms of the sea became extinct.

You might be interested in
A client has undergone a transverse rectus abdominis myocutaneous (TRAM) flap procedure for breast reconstruction immediately fo
noname [10]

Answer:

breathing and leg exercises

Explanation:

Based on the information provided within the question it can be said that the most appropriate to include in the client's postoperative plan of care would be to make sure complete their deep breathing and leg exercises. This is because after these surgeries the individual will be on bed rest, thus limiting their activity and putting them at risk for respiratory problems as well as deep vein thrombosis. Therefore doing these exercises will help prevent these complications.

8 0
2 years ago
A population of ducks lives at a small pond that is slowly drying up. Which statement describes what will most likely happen ove
djyliett [7]
D. A duck flies to another pond.
The above sentence is an example of emigration. Emigration refers to moving from one area to another for a long or permanent period. In this instance, a duck is leaving the pond it originally resided in (along a population other ducks) in order to reside in another pond. Therefore, it can be said that the duck "emigrated". 

7 0
3 years ago
Read 2 more answers
At the start of an experiment, there are 30 bacteria in a dish. The bacteria population is expected to grow at a rate of 180% ea
Sliva [168]

Answer:

The answer is 40,479.

After,

Day 1- 84

Day 2- 235.2

Day 3- 658.56

Day 4- 1,843.968

Day 5- 5,163.1104

Day 6- 14,456.7091

Day 7- 40,478.7855

6 0
2 years ago
the remains of living organisms are compressed and stuck together over time to form a rock what type of rock is it
xxMikexx [17]
Sedimentary rocks...
6 0
3 years ago
This type of joint enable the structure to move side to side and up and
svetoff [14.1K]

Answer:

D. Condyloid

Explanation:

I do believe this is the correct answer. The condyloid joint is the only joint from this list that only moves side to side and up and down.

6 0
3 years ago
Other questions:
  • What part of the hemoglobin molecule is eventually metabolized to stercobilin in the feces?
    15·1 answer
  • paragraph explaining how energy flows through energy pyramid trophinc level producer primary consumer desompsor sun secondary co
    11·1 answer
  • Which muscles work in pairs? <br> 1. cardiac muscles <br> 2. skeletal muscles <br> 3. smooth muscles
    13·1 answer
  • What factor gives citizens' groups influence over legislators on environmental issues
    6·2 answers
  • What is an Ecological Footprint?
    10·1 answer
  • How did avery help build our undertanding of genetics
    6·2 answers
  • A 36-month-old presents for a well child visit. The parents would like to know if the child's development is progressing appropr
    14·1 answer
  • This is a picture of a coordinate graph.
    5·1 answer
  • Do plants need to eat?Or do they acquire energy through a method different from animals?Write down the differences on how a tree
    10·1 answer
  • Which one of the causes of
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!