What would be the growth rate pattern, when the resources are unlimited?
In case of unlimited resources, the pattern of growth rate is exponential.
What are the organisms that feed on plant sap and other plant parts called?
The organism that feed on plant sap and other parts of plants are termed as phytophagous.
What is high altitude sickness? Write its symptoms.
High altitude sickness is experienced by the people going to high altitudes, where oxygen concentrations are low and the body system reacts by developing the symptoms like nausea, headache and heart palpitations.
Give a suitable example for commensalism.
An interaction between blue whale and the barancle growing on its back is an example of commensalism (interspecific relation) between them.
Define ectoparasite and endoparasite and give suitable examples.
Ectoparasite feeds on the external surface of the host organism, e.g., Lice on humans and ticks on dogs. Many marine fish are infested with ectoparasitic copepods.
Endoparasites live inside the host body at different sites (liver, kidney, lungs, red blood cells, etc.). Such as malarial parasites P. vivax, gut parasites, i.e., tapeworm.
Their morphological and anatomical features of endoparasites are greatly simplified while emphasising their reproductive potential.