<span>Two main characteristics that distinguish autotrophs from heterotrophs are:
A~ Autotrophs produce their own food by either chemosynthesis or photosynthesis. Heterotrophs do not produce their own food. Heterotrophs obtain their food by consuming autotrophs or heterotrophs.
B~ Autotrophs are at the primary level in a food chain and Heterotrophs are at the secondary level or tertiary level in a food chain.</span>
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Answer:
the dark moths
Explanation:
only the dark survived cause the tree trunks where covered in black stuff from the polution of the industries
Explanation:
Answer
The pros of Adult Stem Cells is a fact among the widen range of diseases that can be treated with this therapy, Parkinson' s and Alzheiber' s diseases, didfferent types of cancer and their comordities, Diabetes Mellitus type 1, heart diseases , strokes, spinal cord and other neurological injuries , replace or repaired damaged organs, reduce the risk of developing a transplant rejection, among other can be included. Remember that only a qualified doctor can determined if a patient is a good candidate undergo a stream called therapy.
The cons of Adult Stem Cells is that using embryogenic stem cells is considered unacceptable by the laws of many countries and many religions. The difficulty of obtaining stem cells and the long period of growth required before use . It can cost prohobitive for many patients, unproven treatment often come with high rejection rates. Ethical controversy over use of stem cells from lab-fertilized human eggs.
