A group of similar cells that perform a specific function is:
A group of similar cells that perform a specific function is:
A. Organ
B. Tissues
C. Organelle
D. Organ System
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The first stage of development in which a cavity appears is the__________?
The first stage of development in which a cavity appears is the__________?
A. Neurula
B. Morula
C. Gastrula
D. BalastulaApproximately _____ species of bacteria are known to cause diseases in humans.
Approximately _____ species of bacteria are known to cause diseases in humans.
A. 100
B. 200
C. 300
D. 400Today the land habitat is dominated by__________________?
Today the land habitat is dominated by__________________?
A. Fungi
B. Gymnosperms
C. Angiosperms
D. TracheophytesWhich of the following structure provides greater pathogenicity to the bacteria__________?
Which of the following structure provides greater pathogenicity to the bacteria__________?
A. Capsule
B. Slime
C. Cell Wall
D. Cell membrane____________ was first to propose an objective definition of instinct.
____________ was first to propose an objective definition of instinct.
A. Thorpe
B. Darwin
C. Pavlov
D. KohlerThe drfinite shape to ciliates is given by____________?
The drfinite shape to ciliates is given by____________?
A. Pellicle
B. Penicle
C. Calcium
D. Cell wall