Scientists Have Great Difficulty Determining How Rapidly Earth's Eukaryotic Species

question 19

Multiple Choice

Scientists have great difficulty determining how rapidly Earth's eukaryotic species are going extinct. This is primarily because

• A) there are so many species that it is difficult to calculate gains and losses.
• B) species are continually being discovered, and the total number on Earth is unknown.
• C) the current trend of measuring microbial diversity complicates the calculations.
• D) loss of habitat makes it more difficult to find and count remaining species.

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Definitions:

Tardive Dyskinesia

A neurological disorder characterized by involuntary, repetitive body movements, often resulting from long-term use of antipsychotic medication.

Second-Generation Antipsychotic

A class of medication primarily used to treat psychosis, including schizophrenia, marked by fewer extrapyramidal side effects than first-generation antipsychotics.

Clozapine

An antipsychotic medication used in the treatment of schizophrenia, particularly effective in patients resistant to other treatments.

Second-Generation Antipsychotic

A class of medication used to treat psychiatric conditions, characterized by fewer side effects compared to first-generation antipsychotics.