Question 14 Which statement correctly explains a symbiotic relationship?
A Mutualism is a relationship in which intestinal bacteria produce Vitamin K in humans,
B
Parasitism is a relationship in which a spider crab is camouflaged with seaweed on its back,
С
Commensalism is a relationship in which a blood-sucking mosquito feeds on the blood of a dog,
D
Predation is a relationship in which a plant grows taller in bright sunlight than in a shaded area.

What is the difference between sex-linked traits and autosomal traits in humans? a. sex-linked traits can only be passed from fathers to sons, while autosomal traits can be passed on from both parents to offspring of any sex. b. sex-linked traits are passed on through the x and y chromosomes, while autosomal traits are passed on through the other 22 chromosomes. c. sex-linked traits only affect females, while autosomal traits affect both males and females. d. sex-linked traits refer to genes that are on the x and y chromosomes, while autosomal traits refer to genes on all 23 chromosomes.

Rarefaction is used for which of the following? a. creating a representative sample b. studying how disease impacts populations c. rediscovering species thought to be instinct d. determining which sea creatures live in an area

The relationship between intron and exon