Which is an Animal without red blood cells?
...Which is an Animal without red blood cells?
Frog
Earthworm
Snake
Peacock
Correct answer is B
Earthworms don't have red blood because they exchange gas with their skins. The color of blood is red due to the presence of hemoglobin in the red blood cell that helps transport oxygen.
The set-up can measure comparatively the rate of ...
Which of the following major ideas were proved by Gregor Mendel? ...
From the diagram above Birth control by vasectomy is achieved by severing the structure labelled ...
The grand period of growth is represented by ...
The vector of the malaria parasite is the ...
The most likely mode of feeding for an organism that possesses attachment structures, a th...
The organelle common to both plant and animal cells is the ...
Changes in energy flow between organisms in a habitat can be represented by the ...
The feeding relationship that exists between a tick and a cow is? ...
The movement of part of a plant in response to external stimulus of no particular direction is ...