Exercise is a subset of physical fitness.
Answer:
Darwin's Natural Selection Worksheet Read the following situations and fill in the chart for each of the four parts of Darwin's theory of
natural selection.
D There is a species of worms that eat at night (nocturnal) and ones that eat during the
day (diurnal). The birds eat during the day and seem to be eating ONLY the diurnal
worms. The nocturnal worms are in their burrows during this time. Each spring when
the worms reproduce, they have about 500 babies but only 100 of these 500 ever
become old enough to reproduce.
Overproduction:
Genetic Variation:
Selection:
Adaptation:
Explanation:
Answer: Mercury,Mars,Venus,Earth,Uranus,Neptune,Saturn,Jupiter
Explanation:
Answer and Explanation:
The Immune System. It comprises the white blood cells, lymphatic system, etc. The immune response is the production of antibodies in response to antigens present in pathogens and other foreign matter.
The leukocytes are formed in the bone marrow of long bones and lymph nodes. Their function is to protect the body from invasion of foreign material like bacteria and viruses( pathogens). They help fight against infections by engulfing and digesting pathogens and production of antibodies which are proteins that bind to pathogens. Their number increases greatly during infections.
Due to the energy lost as heat
