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
SVETLANKA909090 [29]
4 years ago
8

The earliest humanlike creatures that lived in africa three to four million years ago were

Biology
1 answer:
pashok25 [27]4 years ago
5 0
I believe the answer you are looking for is or are marsupials..
You might be interested in
Drag the steps into the correct order to show how plants use energy from the sun. Start with the first step on top.
Studentka2010 [4]

Answer:

1. The sun shines on a plant 2.chlorophyll traps energy from the sun 3. the plant makes sugar and oxygen 4.cells use sugar for energy

Explanation:

this might be

5 0
3 years ago
Write a sentence using the word 'resistance'
Kisachek [45]
In 1953, he developed a method to make strains of wheat highly resistant to a single form of rust.<span>
</span><span>

</span>
3 0
4 years ago
What kind of variation is exhibited by human bloods?
kotykmax [81]

<span>Blood provides an ideal opportunity for the study of human variation without cultural prejudice.  It can be easily classified for many different genetically inherited blood typing systems.  Also significant is the fact that we rarely take blood types into consideration in selecting mates.  In addition, few people know their own type today and no one did prior to 1900.  As a result, differences in blood type frequencies around the world are most likely due to other factors than social discrimination.  Contemporary Japan is somewhat of an exception since there are popular Japanese stereotypes about people with different blood types.  This could affect choice in marriage partners for some Japanese. </span>All human populations share the same 29 known blood systems, although they differ in the frequencies of specific types.  Given the evolutionary closeness of apes and monkeys to our species, it is not surprising that some of them share a number of blood typing systems with us as well. When we donate blood or have surgery, a small sample is usually taken in advance for at least ABO  and Rh  systems typing.  If you are O+, the O is your ABO type and the + is your Rh type.  It is possible to be A, B, AB, or O as well as Rh+  or Rh- You inherited your blood types from your parents and the environment in which you live cannot change them. I took it from a website: http://anthro.palomar.edu/vary/vary_3.htm

4 0
3 years ago
The _________________ are new substances that are created following a chemical reaction.
lora16 [44]

Answer:

products

Explanation:

reactants combine to produce products in a chemical reaction

6 0
3 years ago
Read 2 more answers
Which statement best explains the level of organization of a protein that explains the primary squence of its amino acids?
Nikitich [7]

Answer

           The correct option is primary structure.

Explantion

          A protein is composed of polypeptide chain which are organized into different structure as explain below:

Primary structure

           The primary structure of protein is composed of a single polypeptide chain in which amino acids are arranged in linear form. Only covalent bond (peptide bond) hold the structure.

Example

              Insulin hormone


Secondary structure

            In secondary structure a single polypeptide chain is arranged in beta pleated sheet or in helical form. hydrogen bond and covalent bond responsible for providing stability to structure.

Example

            Myoglobin


Tertiary structure

           In tertiary structure a single polypeptide chain is arranged in three dimension. covalent bond, hydrogen bond and disulfide linkage help in maintaning this structure.

Example

            Secretory proteins.

Quaternary structure

            It is composed of more than one polypeptide chain and arranged in three dimension forming a globular structure. covalent bond, hydrogen bond, disulfide linkage, hydrophobic and hydrophilic interaction help in maintaining this structure.

Example

            Haemoglobin.

4 0
3 years ago
Other questions:
  • Which of the following is NOT a biomass fuel?
    10·1 answer
  • A cylinder with a mass of 12 g has a radius measuring 2 cm and a height of 6 cm. What is its density? 0.05 g/cm3 0.16 g/cm3 1 g/
    12·2 answers
  • How does the sun compare to the other stars on the main sequence
    5·1 answer
  • How can you explain why two species that look similar are not necessarily that closely related
    15·1 answer
  • A major until of the genetic code is called an
    13·1 answer
  • How does a dog meet all the characteristics of life
    14·1 answer
  • Binary fission is a form of reproduction
    5·2 answers
  • Using the cross shown in the video, what percentage of the offspring are
    11·1 answer
  • What is the functions of lipid?​
    14·2 answers
  • What are the chemical formula of reactants in mixing vinegar and baking soda?
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!