Answer: The correct answer is: They compete with already present animals for sources of food.
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Explanation:
Explanation:
Insects do not have lungs, nor do they transport oxygen through a circulatory system in the manner that humans do. Instead, the insect respiratory system relies on a simple gas exchange that bathes the insect's body in oxygen and expels the carbon dioxide waste.
Unlike the closed circulatory system found in vertebrates, insects have an open system lacking arteries and veins. The hemolymph thus flows freely throughout their bodies, lubricating tissues and transporting nutrients and wastes.
<span>Organisms are classified into three Domains and into one of six Kingdoms of life. These Kingdoms are Archaebacteria, Eubacteria, Protista, Fungi, Plantae, and Animalia. Organisms are placed into these categories based on similarities or common characteristics.</span><span>Jul 24, 2017</span>
Answer:
glucose + oxygen = carbon dioxide + water-Energy is produced in the form of ATP
Explanation:
Answer:
Deforestation or clearance occurs due to several reasons. To get a clear overview, we could include the need for money, both in terms of profitability as well as providing for one's family in most scenarios, along with lack of or no forest laws, need for land space for housing etc. among a long list of other uses.