MCQ
Territoriality occurs as a result of:
- AParasitism
- BPredation
- CCo-operation
- DCompetition
Explanation:
Territoriality is an important characteristic of Intraspecific competition. It refers to the establishment of territories in animals as means of pushing out the extra number, securing shelter, mate and even food. A definite hostility is present between members of different territories in order to safeguard their interests. Density-dependent reduction in natality, parental care, aggregations and dominance - subordination are methods to reduce intraspecific competition and protect the interest of individuals.
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$I.$ This method is also known as biolistic technique
$II. $ In this method cells are bombarded with high velocity micro-particles of gold or tungsten coated with $DNA$ in plants
$III.$ Important crop plants like maize, rice and wheat have now been transformed by this method
Which of the statements given above are correct?