Answer:
Sunlight and Chlorophyll
Explanation:
Peristalsis is the name for the waves of contractions that propel substance s along a tract. It is a series of wave-like contractions that moves food to different processing stations in the gastrointestinal tract and starts in the esophagus when the boluses of food are swallowed. The wave motion is produced by the longitudinal smooth muscles that line up the esophagus, stomach, small intestines and the colon and is triggered by presence of food.
- Cell, tissue, organ, organ system
A dog fulfilled the three points of the cell theory through the healing of the cuts it encountered when playing.
<h3>What is a Cell?</h3>
This is defined as the simplest or basic unit of life and the three points of cell theory include:
- All organisms are made of one or more cells
- The cell is the basic unit of all organisms.
- All cells come from existing cells.
The cut the dog had healed as a result of the formation of the cells from existing cells through mitosis thereby resulting in the healing.
Read more about Cell theory here brainly.com/question/1594446
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Answer:
When there is a huge influence of factor (or more factors) that affect the survival of the species.
Explanation:
List of Endangered and Threatened species is a list of living organisms that need protection.
- endangered means it the species is in danger of extinction
- threatened means that the species is in the stadium before becoming endangered
Factors that affect the survival of the species are:
- destruction or modification of their habitat (usually under the influence of human activity)
- disease
- high predation influence
- overutilization of an animal or plant (for comercial, educational or other purposes)
- natural disasters etc.
