Answer:
mutation
Explanation:
we did this for science for the test last year
Answer:
The Sun is the major source of energy for organisms and the ecosystems of which they are a part. Producers such as plants, algae, and cyanobacteria use the energy from sunlight to make organic matter from carbon dioxide and water. This establishes the beginning of energy flow through almost all food webs.
Explanation:
Answer:
Australopithecus afarensis
Explanation:
Lucy was the first Australopithecus afarensis species found. It represents 40% of the skeleton of a female. It was discovered in Africa in 1974, near the village Hadar in Awash valley of Afar triangle, Ethiopia and is dated about 3.2 million years ago. Notable characteristics includes rib cage and plant based diet, cranial specimens, pelvic girdle, ambulation etc.
Answer:
Some members of each group unicellular (& some colonial & some w/multicellular stages in life cycle)
-Mostly microscopic
No germ layer present
Specialized organelles; (found nucleus single or multiple, no organs or tissues)
-Free living, mutualism, commensalism, parasitism all represented in groups
-Locomotion by pseudopodia, flagella, cilia, & direct cell movements; some sessile
-Some provided w/simple endoskeleton or exoskeleton, but most naked
-Nutrition of all types
-Aquatic or terrestrial habitat
-Reproduction asexually by fission, budding, & cysts and sexually by conjugation or syngamy (union of male & female gametes to form zygote)
Explanation:
