A late-loss population typically has high survivorship to a certain age, then high mortality. True

False

its d lol

; 0

answer: the blood-brain barrier is a layer of specialized membranes and cell processes designed to keep undesirable substances from passing from the bloodstream into the precious tissues of the brain. while the blood-brain barrier does keep most bad things out of the central nervous system, it is not impermeable.

explanation:

a unit of heredity that is transferred from a parent to offspring and is held to determine some characteristic of the offspring.

answer; benefit; harmed;