Lamarck's proposal of the inheritance of acquired characteristics included the idea that
a. species are fixed and unchanging over time.
b. organisms are acted on by the environment.
c. local catastrophes cause mass extinctions of species.
d. the continual stretching of giraffe's necks to reach leaves led to longer necks.

Wht happens as electrons in the electron transport chain release their energy

Charles darwin published his theory of evolution in 1859. in what way foes modern evolutionary theory differ from the theory as proposed by darwin? a) darwin inferred that individuals can evolve, but modern generic science has shown that this is not true. b)darwin inferred that individuals do not evolve, but modern genetic science has shown that this is not true. c)modern science has disproved most of darwin's original theory of evolution, because darwin knew nothing about generations and their role in heredity. d)generic studies have shown that gene expression and other factors operate along with natural selection, but most of darwin's theory has been supported by modern science.

Lymphatic vessels remove excess fluid from tissues. often after mammexront( the surgical procedure to remove of all or part of a breast) the lymphatic vessels draining the arm are damaged. explain a consequence of this damage. what can be done to reduce the symptoms?