שאלה | In the context of parental care, what is the primary difference between 'r' and 'k' reproductive strategies?

In the context of parental care, what is the primary difference between 'r' and 'k' reproductive strategies?

		'r' involves few offspring with high investment, 'k' involves many offspring with little investment
		'r' involves many offspring with little investment, 'k' involves few offspring with high investment
		'r' is seen only in mammals, 'k' only in birds
		'r' supports offspring independence at birth, 'k' requires long parental care
		'r' involves internal fertilization, 'k' involves external fertilization