Answer:
faced a struggle for survival
Explanation:
The woolly mammoths became extinct, unlike the other species, because the woolly mammoths faced a struggle for survival due to changing of environmental conditions. Global warming is the main cause of extinction of woolly mammoth which destroy their habitats about 10,500 years ago. The environmental conditions are not favourable for them so they faced struggle for survival which causes extinction of woolly mammoth.
Answer:
Chloroplasts are organelles which are only found in plant cells. They are responsible for conducting photosynthesis. They have an inner and outer membrane, and they're packed with thylakoids and stroma.
<span>According to the data by Cancer Research UK, the incidence of cancer takes a sharp spike at around the age of 55, both for males and females. The answer is: nearly 77 percent of cancers are diagnosed at age 55 and above.</span>