Answer:
Its True
Explanation:
This is called bone stress. This can develop into a stress fracture if the level of load bearing/activity is not reduced. Stress fractures commonly occur when there is a sudden change in physical activity or increase in training without enough rest time for the bone to adapt and remodel.
Answer: Option D. Lipids
Explanation:
Lipids store its energy in forms of triglycerides in the cells of animals. lipids can provide energy at a steady pace whereas carbohydrates releases all its energy at once.
Some lipids such as steroid act as hormones which serve as chemical messengers between cells. Steroids are chemical messengers for the body. All steroids are derived from cholesterol,
Cell membranes are made of phospholipids, this type of lipid and this lipd has a polar end because of the phosphate group.
Answer:
an organism is multicellular, heterotrophic (cannot make its own energy), and has no cell wall, it is an animal. This is the definition of the kingdom Animalia.
There are unicellular animal-like members of the kingdom Protista commonly called protozoa.
Fungi are heterotrophic and multicellular, but they have a cell wall made of chitin.
Explanation:
1. rise of angiosperms
2. rise of chemoautotrophs and photoautrophs
3. rise of multicellularity
4. rise of bryophytes
5. rise of gymnosperms
6. rise of eukaryotes
7. rise of cyanobacteria
Answer:
D. groups organisms based on similarities related to their structure and evolution.
Explanation:
organisms are divided into 7 : domain - kingdom- phylum- class- order- family- genus- species, based on their structure and evolution.
