Evolution - The process of change in species and populations of organisms over time, Charles Darwin - proposed a theory to explain how adaptations could lead to evolution of new species, Species - a group of similar organisms that can interbreed and produce fertile offspring, Natural Selection - process by which organisms best suited to their environment survive and reproduce, Overproduction - organisms that produce lots of offspring increase the chance some will survive, Variation - within any population, the phenotypes of the organisms will vary somewhat affecting survival rate, Adaptations - Structures and behaviors that increase an organisms chance of survival tend to become more common in a population, Descent with modification - As conditions change, different traits may become more or less useful and the gene frequency of less useful traits decrease, Fitness - an organism's ability to to survive and reproduce, Speciation - the evolution of new species from an existing species, Geographic Isolation - when a physical barrier such as water divides a population into two separate populations that can no longer reach each other to interbreed, Pesticide Resistance - an organism's ability to withstand the effects of a harmful agent, Antibiotic Resistance - bacteria which have evolved and so that antibiotics are ineffective against them, Antibiotic - drug used to kill or slow the growth of bacteria,

Natural Selection

bởi
Nhúng

Bảng xếp hạng

Phong cách trực quan

Tùy chọn

Chuyển đổi mẫu

Bạn có muốn khôi phục tự động lưu: không?