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
Ilya [14]
3 years ago
8

the 6th mass extinction started around 10,000 years ago, and is still happening today. Who/what do you think is the greatest cau

se of this current mass extinction?
Biology
1 answer:
soldi70 [24.7K]3 years ago
4 0

<u>Human activity</u>. The sixth mass extinction of of organisms caused by human actions potentially could go as far back as the late Pleistocene era (over 12,000 years ago.)

You might be interested in
What happens first when a bladderwort catches a
mash [69]
The answer is A, the bladderwort eats the tadpoles tail:)
7 0
3 years ago
List what body systems perform the following life processes- growth, respiration, nutrition. What organelle performs nutrition,
Paha777 [63]

Answer:

for respiration lungs,nose

for nutrition mouth and stomach

for reproduction various reproduction organs like penis and vagina

growth -

excretory - skin(sweat) ueltra blader kidney liver

Explanation:

4 0
3 years ago
During transcription the DNA base sequence is transcribed into a complementary mRNA sequence. A codon table like the one shown b
DIA [1.3K]

Answer: Option B) No, even though the DNA sequence changed, the sequence still codes for the same amino acid, so no change in phenotype will occur.

Explanation:

Since the triplet codon ACG codes for the amino acid threonine, so also ACA codes for threonine, the single base change of Guanine (in ACG) to Adenine (ACA) is insignificant due to the degeneracy of the genetic code.

Thus, the sequence still codes for the same amino acid, so no change in phenotype will occur

4 0
3 years ago
Describe the two forms of secondary structure.
professor190 [17]
Secondary structures are dependent upon hydrogen bonding. The two main types of secondary structure are the a-helix and the B-sheet. The a-helix is a right-handed coiled strand.
8 0
3 years ago
Which molecule contains a glycerol backbone? A. protein B.carbohydrate c.nucleic acid D. lipid
Elina [12.6K]

Answer:

Lipids

Explanation:

6 0
3 years ago
Other questions:
  • The organ that produces the egg cell in the life cycle of the pine is called the____? A.Ovules B.Antheridia C.Archegonium
    7·2 answers
  • Given two areas with equal sunlight and available water. Area I has a high amount of atmospheric carbon dioxide while Area II ha
    8·2 answers
  • An abnormal, rounded, solid lump above, within, or under the skin is a(n):
    6·1 answer
  • As a general rule for treating soreness and pain
    14·1 answer
  • The phenomenon causing the greenhouse effect is that ________ in the lower atmosphere selectively absorbs reradiated ________ ra
    13·2 answers
  • Mutations that occur without a known cause are known as:
    14·1 answer
  • Describe the 3 main types of forest lands
    10·1 answer
  • Where does water go after evaporation
    8·1 answer
  • Louis Pasteur's experiments showed that bacteria did not grow in a flask unless they first entered from the surrounding environm
    7·1 answer
  • If the body plan of an animal is considered bilaterally symmetrical, ? A. The anterior and posterior ends are symmetrical B. The
    5·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!