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
Tanzania [10]
2 years ago
13

A researcher is interested in the effects of nitrate and phosphate on plant growth and sets up an experiment in which groups of

five plants are given 1, 2, and 3 grams of nitrate and 1, 2, and 3 grams of phosphate in all combinations over a period of one month. The researcher measures plant height and weight at the end of the experiment. What is missing in this experimental design?
Question 9 options:

a control

an independent variable

a dependent variable

a constant
Biology
1 answer:
uysha [10]2 years ago
6 0

Answer:

an independent variable

Explanation:

You might be interested in
Greg decides to enhance his reptile-breeding income by branching out into bearded dragons. He crosses two dragons that are heter
-BARSIC- [3]

Answer:

Pleiotropy

Explanation:

The genetic pattern demonstrated here is pleiotropy. Pleiotropy occurs when a gene or allele controls more than a single trait, the gene for red-stripe also controls the size of the reptiles.

7 0
3 years ago
You run on solar energy. How is that possible?
scoray [572]
Plants convert the sun's energy into carbohydrates via photosynthesis.
7 0
3 years ago
What part of the tooth bears the force and resists the friction of chewing?
Crank
Your answer is Enamel it is the coating on teeth that helps prevent damage.
7 0
2 years ago
Read 2 more answers
If the DNA is GAT what will be the amino acid?
Oksanka [162]

If the DNA is GAT what will be the amino acid?

Answer-Leucine

If the DNA is TAG what will be the amino acid be?

Answer-Isoleucine

If the RNA is UAU what will the amino acid be?

Answer-Tyrosine

8 0
3 years ago
So just how did pattern on a giraffe's body increases his chances of survival​
Agata [3.3K]

Answer:

survival of young giraffes is related to spot pattern, which might help provide camouflage from predators. ... This study revealed that newborn giraffes with larger spots and irregularly-shaped spots had increased survival during the first few months of life.

Explanation:

6 0
2 years ago
Other questions:
  • Oysters and barnacles are in competition for space on a rock. Which of the following best describes this relationship?
    6·2 answers
  • If there was a fungicide that killed all fungi, make a prediction on how that would affect the ecosystem and eventually us human
    9·1 answer
  • Definition: this is the process of forming a specific consequence from general observations.
    9·1 answer
  • Explain the water cycle in your own words.
    11·1 answer
  • At which stage of the scientific process should a scientist look at experimental data from other scientists to set up a new expe
    12·1 answer
  • Is a full eye transplant possible?
    13·1 answer
  • Genetic Variation:Question 8
    14·1 answer
  • Compare and contrast a predator- prey relationship and a parasitic relationship
    6·2 answers
  • Why are most leaves shaped the way they are?
    14·2 answers
  • Describe the ways in which water in sewage polluted lake and water from the sea are
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!