It provides energy for the cell to build, repair, and reproduce. Cells needing more energy have more mitochondria.
Myofibrils are the building blocks or contractile unit of each muscle fiber. The tiniest functional unit of skeletal muscle, the sarcomere, is found in the myofibrils and is made up of protein filaments: actin (thin) and myosin (thick).
Answer:
The Monterey pine and the Bishop's pine inhabit some of the same areas of central California. The Monterey pine releases pollen in February, while the Bishop's pine does so in April. This is an example of <u>temporal</u> isolation.
Explanation:
Temporal isolation is a form of reproductive isolation in which two or more species reproduce at two separate times.
<u>For example:</u> Northern america leapord frog mates in April and North America Bullfrog mates in july.
As in the given scenario, reproductive isolation is occuring in which two species (Monterey pine and Bishop's pine) are reproducing (producing pollens) at two separate times(February and April). Hence it is an example of temporal isolation.
Answer:
Difference Between Endangered Species and Threatened Species. ... what are the other causes apart from humans that can drive an entire species to ... When a species exist no longer, it is considered as extinct.
C. Digestion of food
The answer is C because the rest of the answer choices are all physical reactions. In your stomach, food is chemically broken down by different substances.
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