Answer:
Solar energy is the most efficient compared to fossil fuels. The sun is a free and renewable source of energy. Solar energy also has less environmental impact.
Answer AND Explanation:
Very often, one type of organism or species in an ecosystem happens to be the same food source for other types of consumers. The different food chains that exist in an ecosystem therefore form a complex network called food web. Food webs are more complex than food chains and therefore there can be more than one primary producer thus increasing the flow of energy an ecosystem.
D. Mother cows have fierce maternal instincts.
Answer:
<em><u>Carbon</u></em><em><u> dioxide</u></em>
Explanation:
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Answer:
Option (A).
Explanation:
Limiting factors may be defined as the factors that are responsible for the limit of the population size and slows its growth. Both biotic and abiotic factors can acts as limiting factor for the population growth.
The scrub jays limits its size due to the limiting factors. The amount of food available in the area can acts as the limiting factor for the scrub jays. The limitation of food prevents the increase of scrub jays in the habitat.
Thus, the correct answer is option (a).