Answer:
Zooplankton(A)
Explanation:
Because the toxic mercury builds up in the bigger organsims
B. The change in Reaction times for each person
Crustaceans Insects <span>Arachnids belongs to phylum arthopoda and insects have both wings and antennae whereas crustaciens like crab shrimps have no wings but antennae and archanids have none of them
</span>so correct option for statment
<span>The species of which of these groups show neither wings nor antennae is
C
hope it helps</span>
Answer:
b) plasmid
Explanation:
A plasmid is an extrachromosomal DNA molecule that found in a cell that replicates independently without the need for chromosomes. A plasmid is small and is also not attached to the chromosomal DNA. Generally, plasmids are a circular piece of double stranded DNA materials that are present in bacteria.
Plasmids are used in a molecular biology laboratory for gene manipulation. they are able to transfer genes to a DNA through DNA recombinant technology and also aid DNA replication in bacteria. Plasmids are also used to study antibiotic resistance.
A <u>Scientific method </u>is a series of steps used to determine solutions based on needs and wants.
<h3>What is needs assessment?</h3>
A needs assessment is a process that bridges the gap between an organization's current state and the desired conditions. It is a systematic procedure for identifying and addressing performance gaps as well as repairing any defects that may occur in an organization.
<h3>What are the six steps of the scientific method?</h3>
- Describe the issue :Observation with intent
- research : learn more about the subject
- educated guess : hypothesis forecast the outcome of the problem
- experiment :Create a procedure for testing the hypothesis.
- analyze :Keep track of the experiment's outcomes.
- conclusion : compare the hypothesis to the results of the experiment
<h3>What are the Characteristic Features of Scientific Methods?</h3>
- Students learn to identify and formulate scientific problems correctly and in an organized manner using scientific methods.
- Students are trained in information processing techniques using scientific methods.
- Scientific methods help students develop the ability to think critically and rationally, allowing them to make decisions on logical and rational grounds.
Learn more about steps of Scientific methods:
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