Question 1 What organelles in eukaryotic cells are thought to have originated fr

Question

Question 1

What organelles in eukaryotic cells are thought to have originated from prokaryotic cells?

A) Plastids and mitochondria

B) mitochondria and ribosomes

C) nucleus and centrioles

D) plastids and lysosomes

E) vacuole and plastids

Question 2

The idea that the earth is constantly changing and, therefore, life on earth is continually evolving is:

gradualism

Status

Mass extinction

Catastrophism

Punctuated equilibrium

Question 3

Which of the trends below have been observed over the last 600 million years of evolution? (Multiple correct answers are possible)

increase in species diversity

increase in adaptations

increase in complexity

increase in genome size

increase in cell size

A) Plastids and mitochondria

B) mitochondria and ribosomes

C) nucleus and centrioles

D) plastids and lysosomes

E) vacuole and plastids

Explanation / Answer

Question 1
What organelles in eukaryotic cells are thought to have originated from prokaryotic cells?
The answers are A) Plastids and mitochondria - Because of its presence of DNA, 70 S ribosomes and its mode of reproduciton i.e. binary fission.

Question 2
The idea that the earth is constantly changing and, therefore, life on earth is continually evolving is
The answer is a.gradualism - It is proposed by charles darwin and accoring to him the all species are accumilating small variations which plays a major role graudal evolution.

Question 3
Which of the trends below have been observed over the last 600 million years of evolution?
The answer is are
A. increase in species diversity and
C. increase in complexity

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