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
Gennadij [26K]
3 years ago
12

Two similar species of fish live in the same lake. A biologist observes that one fish population is much larger than the other.

The biologist believes that the difference is due to better protective coloration in the larger population. A research project is set up to test this idea. The biologist's idea that the population numbers are influenced by coloration is called a(n) A. opinion. B. hypothesis. C. conclusion. D. observation.
Biology
2 answers:
Vlada [557]3 years ago
7 0
C because he is making a hypothesis that coloration which is the independent variable is making the change. 
Nookie1986 [14]3 years ago
3 0

Answer: D. observation.

Explanation:

Observation can be define as a process of monitoring or visualizing the natural phenomena, an experimental procedure, or changes in the body of the living or non-living sample under study. This process helps in obtaining a conclusion and result of the research question or experimental study.

The coloration is a observable parameter which can be used to frame the conclusion and result of the given study. Hence, the biologist idea will be influenced by observation.      

You might be interested in
Three cells undergo meiosis. How many haploid cells are produced?<br> Ο 3<br> Ο 6<br> Ο 9<br> Ο 12
irakobra [83]

Answer:

the awnser is I believe is 9

6 0
3 years ago
Read 2 more answers
What would most likely happen if the algae were removed from this ecosystem?
IRISSAK [1]
The tadpole would die out. Which would cause the sudden decrease I duck and frog.

6 0
4 years ago
Read 2 more answers
What is meaning of carbon dioxide ​pls help
Sliva [168]

Answer:

Carbon dioxide is a gas consisting of one part carbon and two parts oxygen. It is one of the most important gases on the earth because plants use it to produce carbohydrates in a process called photosynthesis

Explanation:

Hope it helps

Mark my answer as brainlist

have a nice day

4 0
3 years ago
Read 2 more answers
A chemical reaction is shown.
mixas84 [53]

Answer:

1) A chemical reaction is shown.

SnO2 + H2 → Sn + H2O

What is true about this chemical reaction?

B.

It is unbalanced because the mass of the reactants (number of atoms) is greater than the mass of the products (number of atoms).

2) Read the information about an experiment.  

Jadon plans on carrying out an experiment involving the burning of steel wool to illustrate the conservation of mass. Steel wool is made of iron. When it is burned it combines with oxygen to form iron(III) oxide.

Which step in his experiment is the most important if he wants his experiment to correctly demonstrate the conservation of mass?

A.

The steel wool should be burned inside of a sealed jar or other closed system.

Explanation:

The explanation to number 1 is that I selected it in my test and got it.

The explanation the number 2 is from the link below:

https://quizizz.com/admin/quiz/5dee60258f1145001bc02ed5/physical-science-2nd-9-weeks-practice-test-2020

8 0
3 years ago
Which of the following organisms is a heterotroph?
professor190 [17]
The correct answer to your question is <span>D. mushroom
</span>
3 0
3 years ago
Read 2 more answers
Other questions:
  • The sinuses are a defect in bone growth and have no real purpose. <br> a. True <br> b. False
    13·2 answers
  • Plant organelles that contain chlorophyll for photosynthesis
    15·2 answers
  • How is an increase in carbon in the atmosphere likely to affect coastal areas such as those in North Carolina?
    11·1 answer
  • Which chemical equation represents the process in which plants capture sunlight and synthesize sugar?
    12·1 answer
  • Hi what is a type of poisonous frog name
    6·2 answers
  • Number the events from earliest (1) to most recent (6) to outline the development of the cell theory.
    7·2 answers
  • PLEASE HELP THIS IS SO IMPORTANT UGH ITS 25 points
    12·2 answers
  • What is dominant in biology?
    7·2 answers
  • What can affect the rate of a chemical change?
    11·1 answer
  • Oxygen is a by-product of ______________ and is needed by living organisms for the process of ______________.
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!