Sickle hemoglobin mutation is a point mutation, bases are substitued from one another
Answer:
disruptive
Explanation:
Sympatric speciation is a speciation (evolution of new species) that occurs when one group of population becomes isolated, but stays in the same geographic location as the rest of the population. Through time, these two group evolve independently and become different species.
The model that shows this type of speciation involves disruptive selection: homozygous individuals are favoured over heterozygous in a population, which leads to speciation.
Answer:
c. They usually have certain special functions.
Explanation:
Multicellular organisms have more than one cell in their body. They exhibit division of labor. This means that various cells of multicellular organisms are differentiated to perform specific functions. Therefore, there are different types of cells in the bodies of multicellular organisms that differ from each other with respect to structure and functions. For example, the cells of root hairs in plants perform the function of absorption of water from the soil while the mesophyll cells of their leaves perform the function of photosynthesis.
Answer:
○ acid rain
○ Secondary Consumers
Explanation:
Coal plant contains one of the following contaminants besides carbon dioxide: sulfur dioxide, which results in acid rain.
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This is the order of how a food chain looks:
Producers → Primary Consumers → Secondary Consumers → Tertiary Consumers...
It continues on for as long as it can.
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C) the presence of a well-developed atmosphere