Answer:
Extinct.
Explanation:
The IUCN red list classifies the organism as endangered , extinct, threatened and vulnerable organism. The organism are classified on the basis of their number and presence on the particular area.
Extinct species is the species that are no longer present on the earth. The extinct species has been eliminated due to the unfavorable environmental condition and due to human activities. No single organism is present of the extinct species.
Thus, the correct answer is option (3).
<span>During transcription, a DNA template is used for production of a messenger RNA, by the action of enzyme RNA polymerase. Following this, the mRNA is sed for synthesis of the proteins, by the process of translation. Whole mechansim is known as central dogma.</span>
Answer:
acidic :- coffee
basic :- ammonia
neutral :- water
Explanation:
anything with ph value 7 is neutral.
anything with ph value less than 7 is acidic and greater than 7 is basic.
D. All of its wavelengths are harmful
This is false, because a lot of electromagnetic radiation (such as visible light we see with our eyes) is not harmful.
A researcher is studying how depression tends to be experienced by people of different ages. The researcher interviews depressed adolescents, young adults, individuals in their 30s and 50s, and those over 70 years old. The research design being used is called <u>cross-sectional</u>.
<u>Option: D</u>
<u>Explanation:</u>
A kind of design for observational study is understood as a cross-sectional framework. In a cross-sectional analysis the investigator simultaneously tests the participants in the study's result and exposures. Through cross sectional studies one can estimate the prevalence of disease.
A cross-sectional analysis, for instance, could be used to assess whether vulnerability to specific risk factors would correlate with specific outcomes. For illustration, a researcher may gather cross-sectional data about past smoking habits and current lung cancer diagnoses.
