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
Reil [10]
3 years ago
15

I dont under stand this can someone plz help?

Biology
2 answers:
alexgriva [62]3 years ago
8 0

Answer:

Same here

Explanation:

Dmitry [639]3 years ago
3 0
Its asking you to look up information about the organisms and make a chart, you can look up examples of dichotomous charts for reference
You might be interested in
How does connective tissue differ from the other three major tissue types? how does connective tissue differ from the other thre
NemiM [27]

The answer is ‘Connective tissue often consists of relatively few cells embedded in an extracellular matrix’. Epithelial, connective, muscle, nervous are the other types of animal tissue. The reason the connective tissue is composed largely of fibers and few cells is due to its role in support (and holding together organs) and protection.  


8 0
3 years ago
Which is the DNA tehory? How do we know the DNA contains genetic information?
ValentinkaMS [17]

DNA is made up of molecules called nucleotides. Each nucleotide contains a phosphate group, a sugar group and a nitrogen base. The four types of nitrogen bases are adenine (A), thymine (T), guanine (G) and cytosine (C). The order of these bases is what determines DNA's instructions, or genetic code. Human DNA has around 3 billion bases, and more than 99 percent of those bases are the same in all people. DNA sequencing theory is the broad body of work that attempts to lay analytical foundations for determining the order of specific nucleotides in a sequence of DNA

6 0
3 years ago
What effects does hydrogen bonding and polarity have on water?
lesya [120]
Oxygen has a partial negative charge, whereas hydrogen had a partial positive charge.

This means that water molecules are polar and can be used to dissolve a lot of chemicals, that's why water is such a popular solvent.
7 0
3 years ago
3. How would you date a sample of rock that you suspect as being one of the earliest on Earth? (1 point)
Kay [80]
<span>If I were attempting to date a rock sample that I suspect to be incredibly old, i would use radioactive isotopes with a long half life. When dating rocks and fossils to discover approximately how old they are, radioisotope dating is used on igneous rocks found near fossils. Things like Uranium 235, which is an unstable radioactive isotope of elements, decays at a constant rate over time so can be useful in determining age.</span>
4 0
3 years ago
What are the keys to a strong lab procedure?​
Natali5045456 [20]

Answer:

Purpose: A brief description of why the experiment is being performed. Include details about the experiment, such as the methods used, a specific chemical reaction(s), and/or anticipated product.

Hypothesis: Provide a statement or two about the anticipated outcome of the experiment.

Experimental Procedure: A step-by-step description of the experiment including the chemicals, equipment, and/or methods used. Complete sentences must be used for the description. DO NOT simply copy the procedure from a lab manual or a handout. Condense the given procedure into steps so that you can understand and follow them.

Laboratory Safety: Give a complete, descriptive listing of the safety precautions, hazards, or other safety procedures that are needed for this experiment.

Experimental Data: Record all data resulting from the experiment in your laboratory notebook. The experimental data should be recorded in tabular form. Do not record your experimental data in your laboratory manual.

Observations: This section is used to record any qualitative observations and notes on the changes to the experimental procedure. Sudden bursts of scientific insight or other information during the experiment that may aid in the interpretation of the data generated are to be entered in this section. No points will be awarded when the observations are recorded outside of the laboratory. It is also important that you record your unknown number in this section of your notebook.

Calculations: Present outcome/summary of data analysis using tables, Excel graphs, and/or figures. List separately all pertinent mathematical equations followed by a sample calculation for each. Use the recorded data from the experiment when performing the calculations.

Results/Discussion: Questions that should be addressed in this section may include: Did the experiment work, and if not, why not? Were the results obtained in the experiment those expected based on the laboratory procedure? If the experiment was to be repeated, what improvements would be made? What types of errors occurred and how could they be corrected? How did the observations play a role in the outcome of the experiment? When applicable, you should compare your experimental value(s) to that of a published, literature value(s), commenting on the accuracy of your technique.

Conclusion: Summarize the findings of the experiment, which must include the final results of the experiment, e.g., the percent yield of a reaction, the identity of an unknown, etc. Look back at the purpose and hypothesis of your experiment and assess whether or not you met your goal in performing the experiment.

References: Include all pertinent information such as, your laboratory manual, textbooks, web sites, and any other library resources used in the preparation of your laboratory report.

7 0
2 years ago
Other questions:
  • The nursing supervisor assigns a nurse to care for five clients in the intensive care unit (icu). the nurse notes that all the c
    14·1 answer
  • Which of the following levels of organization is the largest,Phylum,class,order,group
    9·1 answer
  • Which layer of earth is like the shell of an egg?
    13·2 answers
  • What part pf the brain regulates stress?
    5·1 answer
  • Weathering can be either a chemical or a physical process. The action of water causes physical weathering of rock. Which example
    15·1 answer
  • How many polynucleotide chains does a DNA molecule have ​
    5·1 answer
  • What is the name of a syndrome that is the result of a defective protein
    7·1 answer
  • WILL MARK BRAINLIEST!! WORTH 30 POINTS!!!Which temperature listed below allows for the greatest rate of photosynthesis? Use the
    13·2 answers
  • What is this data saying?
    13·1 answer
  • A researcher is studying the plants and animals in a particular biome. The observations include ferns, large woody vines, monkey
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!