Only variations that confer an advantage to an individual organism will survive in a population. Do you agree with this statement? Why or why not?

Lower levels of organization in multicellular organisms are cells, tissues and organs. These are followed by organ system and finally organisms. These levels are absent in unicellular organisms as they...

Three examples of the range of variations in life forms:  - Ants, cockroaches, spiders, houseflies, etc. live in the same building. They look entirely different from each other yet all of...

Aves.  Specific feature of Aves is that they are warm –blooded having a four chambered heart and modified forelimbs for flight.

Hint— Cell→ tissue → organ → organ system → organism

Those individuals which survive and reproduce in their respective environment are called fit.

Foreign gene is usually ligated to a plasmid vector and introduced in the host. As plasmid replicates and makes multiple copies of itself, so does the foreign gene gets replicated...

Foreign gene is usually ligated to a plasmid vector and introduced in the host. As plasmid replicates, and makes multiple copies of itself, so does the foreign gene gets replicated...

Yes, capital budgeting decision is a very essential decision which needs to be taken carefully. It has the capability of changing the financial fortunes of a business. Capital budgeting decision...

Social marginalization forces a social group out of the mainstream. This results in lack of opportunities for education and skill development. This also means that the marginalized section does not...

(i) No country in the world is self-sufficient in all its needs. Surplus goods can be exchanged via International trade and needs fulfilled.  (ii) International trade helps in exchange of surplus...