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
Elis [28]
3 years ago
12

Gigantic mammals (mammoths, giant sloths, etc.) characterize these times.

Biology
1 answer:
nignag [31]3 years ago
6 0
The answer is a. Pleistocene.

A group of large animals that lived during the Pleistocene is called Pleistocene megafauna. This group included mammoths, giant sloths, mastodons, cave bears, saber-toothed cats, etc. The extinction of these animals happened also in Pleistocene. The reasons for their extinction could be hunting by the humans, climate changes, or impact of asteroides.
You might be interested in
Which of the following statements is not true?
ser-zykov [4K]

Answer:

c. False

This statement is incorrect because the DNA of bacteria is circular without histones.

Explanation:

a. True

Some archaea have very specific lipids in their membrane. Differently of the bacterias that have usual lipids in their membranes.

b. True

Archaebacteria do not have peptidoglycans in their cell wall

d. True

Methanogenic archaeobacteria are those that use carbon dioxide and hydrogen to produce methane. They are found in the digestive system of ruminants, sewers and swamps.

8 0
3 years ago
What is an over-reactive response by the immune system called?
Colt1911 [192]

Answer:

In cases of immune system overactivity, the body attacks and damages its own tissues (autoimmune diseases). Immune deficiency diseases decrease the body's ability to fight invaders, causing vulnerability to infections.

Explanation:

5 0
3 years ago
Read 2 more answers
use the samples; diamond, dolomite, gneiss, and chalk and provide your analysis of composition and identification based on their
Trava [24]

Answer:

Diamond-

Physical identification characters:

Color-  White or Colorless

Lusture - admantine

Streak - Colorkess

Habit - Hour glass structure

Hardness - 10

Cleavage- octaheadral

Composition- pure carbon

Specific gravity-3.5

Dolomite (CaMg(CO3)2

Color - Colorless or white

Hardness is between 3-4

Reacts with any acid

Gneiss

Light and dark strip or banding present alternatively

biotite , pyroxene have Mafic mineral shows dark banding

Quartz, Feldspar have  Felsic mineral for light banding

High grade metmorphic rock which is formed due to regional metamorphism of lower grade rock

Chalk(CaCO3)

Color-White

Very fragile

Hardness-1

With acid gives effervescence.

4 0
3 years ago
)co-sleeping may be harmful to the baby if the mother _____. awakens frequently is a light sleeper is drugged or drunk is in a f
Afina-wow [57]

Answer:

Drugged or drunk

Explanation:

if the mother is drugged or drunk because the mother wont be able to comprehend whats going on and may role on the baby and may be very harmful

3 0
3 years ago
List the 4 components of health related fitness and the appropriate guidelines for each
gregori [183]
These components include; 
Cardiorespiratory Endurance: Ability of the circulatory and respiratory systems to supply oxygen during sustained physical activity. 
Guidelines
3 - 5 days per week
20-60 minutes a day
intensity of 60%-90% of MHR

Muscular strength; the ability to perform activities that require high levels of muscular force.
2 -3 days per week
2-6 sets
≤ 6 repetitions 
Intensity of 80 - 90 % of 1RM

Muscular endurance; 
2 - 3 days per week 
2 - 3 sets
≥ 12 repetitions
Intensity of 60% - 70% of 1RM

Flexibility 
2- 3 days a week
≥ 4 repetitions per muscle group 
15 - 60 seconds

Body composition     Women   men
Essential fat               10-13%   2-5 %
Athletes                     14-20%  6-13 %
Fitness                      21-24%  14-17 %
Average                    25-31%    18-24%
Obese                      ≥ 32%       ≥ 25%



5 0
3 years ago
Other questions:
  • According to the article,what valid claim came from the national research council?
    10·2 answers
  • Which best matches a list that a scientist would make to describe a forest ecosystem?
    9·2 answers
  • When huge numbers of species die out in a short period of time, it's known as a mass extinction.
    8·1 answer
  • The study of environmental science must involve discussion of human culture and people's opinions on politics and economics. Tru
    15·1 answer
  • 9. The scientific name for a white oak is Quercus alba; the scientific name for a red oak is Quercus rubra. What does this tell
    13·1 answer
  • What are Chargaff’s rules for complimentary base pairing
    12·1 answer
  • Our Sun is all of the following EXCEPT ____.
    12·2 answers
  • Process of a structure of a specialized cell.
    10·1 answer
  • Solar and wind energy are renewable or non renewable sources of energy plz tell me fast​
    10·1 answer
  • What is the difference between specialized plant and animal cells
    10·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!