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
klio [65]
3 years ago
5

Which scientific investigation does not include dependent and independent variables?

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

Answer:

Observing and counting bird populations

Explanation:

You might be interested in
The physical expression of genes
spin [16.1K]

The physical expression of genes are phenotype. Phenotype is the expression of the gene by the appearnace of the organism. It is the characteristics of that trait.

Examples : When pigment is made in our eyes, height ( tall and short) , weight, blond hair is the phenotype for the blond hair genotype and skin colour( black, white ) is the phenotype trait.

4 0
3 years ago
Read 2 more answers
How long was the Archean age, relative to the entire history of the earth?
devlian [24]
3.8 billion – 2.5 billion years ago  
The Archean is the name of the age which started with the shaping Earth. This time of Earth's history endured quite a while, over 2.5 billion years. When the archean age ended the earth was just coming alive.
6 0
3 years ago
Read 2 more answers
True or false: most flowers have a trunk
Ahat [919]

Answer:

Showy orange flowers that develop on the main trunk and limbs. Halleria lucida, a shrub from South Africa, is in the family Scrophulariaceae. So this statement would be true.

8 0
2 years ago
What do all of the organ systems in a human form?
Rashid [163]
Together organ systems make us healthy and living. 
8 0
3 years ago
What is the name of the process that requires energy (adenosine triphosphate, or atp) for digested nutrients to be absorbed thro
SVEN [57.7K]
The name of the process that needs energy (adenosine triphosphate, or atp) for  nutrients that were digested to be absorbed through the small intestinal wall into the bloodstream or lymphatic system is called active transport. This process involves the movement of particles in a membrane from a lower concentration to a higher concentration with the aid of an external source like energy or enzymes.
4 0
3 years ago
Other questions:
  • Drag each label to the correct location on the map.
    11·2 answers
  • What is the smallest, most basic unit of life?
    7·1 answer
  • The lymphatic system is a fluid transport system vital for human health. Instead of blood, this system transports _________, whi
    13·2 answers
  • What is the juxtaglomerular complex? a system for diluting urine a system for concentrating urine a system that protects the nep
    7·1 answer
  • Here you will be required to write a report about a random experiment. This can be anything ranging from testing viruses and etc
    5·1 answer
  • What is the term for all of the population in a particular region
    15·2 answers
  • Why do you think this is incorrect?<br><br> H2+O2=H2O2
    11·1 answer
  • Which best decribes Earth's magnetic field lines
    10·1 answer
  • What type of material did the water most likely encounter when it stopped?
    14·1 answer
  • Lightening provides _______ in plants​
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!