An unbroken series of species arranged in ancestors to descendent sequence with each later species having evolved from one that immediately preceded it is called?
A. Biome
B. Phyletic lineage
C. Community
D. Population
QuizMaster
Sodium ions are “pumped” from a region of lower concentration to a region of higher concentration in the nerve cells of humans. This process is an example of
Sodium ions are “pumped” from a region of lower concentration to a region of higher concentration in the nerve cells of humans. This process is an example of
A. Diffusion
B. Passive transport
C. Osmosis
D. Active transport
Normally, in the process of osmosis, the net flow of water molecules into or out of the cell depends upon differences in the ?
Normally, in the process of osmosis, the net flow of water molecules into or out of the cell depends upon differences in the ?
A. Concentration of water molecules inside and outside the cell
B. Concentration of enzymes on either side of the cell membrane
C. Rate of molecular motion on either side of the cell membrane
D. None of these
The concept that various organisms dominated this planet during various geological time period and thus placing organisms in a time squence came from the studies by ?
The concept that various organisms dominated this planet during various geological time period and thus placing organisms in a time squence came from the studies by ?
A. Environmental biologist
B. Paleontologist
C. Marine biologist
D. Social biologist
A large regional community primarily determined by climate is called ?
A large regional community primarily determined by climate is called ?
A. Population
B. Community
C. Biome
D. Habitat
Which of the following pathogen type cause disease that can be treated with antibiotics ?
Which of the following pathogen type cause disease that can be treated with antibiotics ?
A. bacteria
B. fungi
C. virus
D. none of these
Different species of plants and animals living in the same habitat is called?
Different species of plants and animals living in the same habitat is called?
A. Population
B. Community
C. Biome
D. Habitat
Group of living organisms of the same species living in the same place at the same time is called ?
Group of living organisms of the same species living in the same place at the same time is called ?
A. Community
B. Population
C. Ecosystem
D. Biome
In animals coordination is achieved by means of?
In animals coordination is achieved by means of?
A. Nervous system
B. Endocrine system
C. Respiratory system
D. Both A and B
A structure formed by groups of similar cells organized into loose sheets or bundles performing similar functions is called as:
A structure formed by groups of similar cells organized into loose sheets or bundles performing similar functions is called as:
A. An organ
B. An organism
C. A Tissue
D. A Cell