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
hodyreva [135]
3 years ago
6

PLS HELP!

Biology
1 answer:
lilavasa [31]3 years ago
7 0

Answer:

evolution of life on Earth

Explanation:

Life began on Earth at least 3.5 to 4 billion years ago, and it has been evolving ever since. At first, all living things on Earth were simple, single-celled organisms. Much later, the first multicellular organisms evolved, and after that, Earth's biodiversity greatly increased.

You might be interested in
Which taxa immediately follows phylum moving broad to narrow?
max2010maxim [7]
To Arrange the following taxa in order from most general (broad) to most specific (narrow). species Genus Phylum Kingdom Cl
4 0
3 years ago
A man with blood group B marries with a woman with blood group AB and the daughter has blood group AB. Is this information enoug
disa [49]

Answer:

YES. This information is enough to assume that neither of the blood groups dominates over the other one.

Explanation:  

<u>Available data:</u>

  • A man with blood group B ----> Genotype IBIB or IBi
  • A woman with blood group AB ---> Genotype IAIB
  • Their daughter has blood group AB --> Genotype IAIB

The fact that the daughter´s genotype is IAIB tells us that she got the IA allele from the mother, who is IAIB, and the IB allele from his father, who is IB-.

  • If blood type B was dominant over A or AB, then the daughter should have Blood type B.
  • If blood type A was dominant over B or AB, then the daughter should have Blood type A.
  • Blood type AB tells us that both types are being expressed, A and B.

The fact that the daughter inherited one type of allele from each parent, but she is expressing the blood type AB, suggests that neither of the alleles dominates the other one. This is an example of co-dominance, where the heterozygote phenotype is an additive expression of both of the parents' genes.

This is enough information to assume that neither of the blood groups dominates over the other one.

3 0
2 years ago
Plant Cells differ from Animal Cells because plant cells contain
Irina18 [472]

Answer:

plant cells have a cell wall, chloroplasts, and vacuoles while animal cells don't.

Explanation:

5 0
3 years ago
What makes the pituitary gland the most important gland of the endocrine system?
Olegator [25]
Im pretty sure its c but hope this helps :)
5 0
3 years ago
Read 2 more answers
One of a group of external regulatory proteins that stimulates the growth and division of cells is
Schach [20]

Answer:

Cyclin-regulates the timing of the cell cycle. Normally, when cells touch, they stop growing. Growth factors-one of a group of external regulatory proteins that stimulate the growth and division of cells.

Explanation:

I hope it's help u

4 0
3 years ago
Other questions:
  • ______________ are low energy waves found in the electromagnetic spectrum and ______________ are high energy waves found in the
    6·2 answers
  • True or false an example of velocity is a car driving at 200 mph
    10·1 answer
  • All living organisms can be categorized by their response to atmospheric oxygen as obligate aerobes, facultative aerobes, obliga
    12·1 answer
  • Using the punnett square.
    8·1 answer
  • Plants absorb water from the soil through their roots
    14·1 answer
  • Every living things inherit what from their parents?
    8·1 answer
  • What planet is marked by an arrow in the image below?
    5·2 answers
  • Ponies which are mostly found in Europe have an average height of 86-97 cm. If the ponies breed among themselves, is it possible
    13·1 answer
  • It’s not the answer choice i chose btw. helpppp pls
    5·2 answers
  • What is the function of bone marrow?
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!