The beetle population will be half green and half red.
B.
All the beetles will be wiped out because of predator attacks.
C.
Most of the beetles will be green.
D.
Most of the beetles will be red.
A) the beetle population will be half red half green
A temperature of absolute zero is the point at which the gas particles stop moving. This corresponds to a temperature of . Particles have no kinetic energy at all so no energy can be removed and the temperature cannot get any lower. With no kinetic energy and now stationary, the particles will exert no pressure either.
B. They decrease the rate of the chemical reactions involved in digestion
C. They increase the rate of the chemical reactions involved in digestion
D. They aid in the process of moving food more quickly to the stomach
E. They are consumed as part of the chemical reactions involved with digestion
Answer:
the answer is C) They increase the rate of the chemical reactions involved in digestion
Explanation:
The digestive functions of saliva include moistening food, and helping to create a food bolus, so it can be swallowed easily. Saliva contains the enzyme amylase that breaks some starches down into maltose and dextrin. Thus, digestion of food occurs within the mouth, even before food reaches the stomach.
Answer: (c)
Explanation: they melt down the food chemicals into a not very pretty clump of siliava and chewed up food which is not slowing down, it is speeding up.
Answer:
Nanoparticles have been shown to make their way through the nasal cavity, across the cribriform plate and into the olfactory bulb--part of the brain.
Explanation:
The correct answer for above statement is:
False
Explanation:
This is because savanna ecosystems are organized as grasslands; moreover, fires play a vital role in these ecosystems. These fires carry out sequences and allow for habitats to sustain their endurance. Savanna ecosystem is a tropic grassland with warm temperatures year-round and with its unusual seasonal rainfall in the summer. The savanna is described by grasses and small or scattered trees that do not form a closed canopy, providing sunlight to reach the ground.
The characteristic two seasons of savanna and grassland ecosystems are maintained and regulated by fire and consist of organisms that are fire resistant. These fires bring about sequences and enable the habitats to strengthen their tolerance. Therefore, fires play a critical role in both grassland and savanna ecosystems. Hence, the statement is false.
Further Explanation:
The savanna ecosystem is distinguished by the presence of widely scattered trees which prevents the closing of the canopy. It is a mixture of grassland woodland ecosystems. A sufficient amount of light reaches the ground due to the open canopy which supports the growth of grasses in the spaces between the trees. The regular implementation of wildfires either natural or anthropogenic is responsible for the extensive presence of savanna ecosystem. These fires are limited to the non-woody layer of the ground cover and do not cause any long term harm to the mature trees. The fires help prevent the formation of permanent tree canopy by suppressing or killing the tree seedlings. This results in the growth of grass which would otherwise be hindered.
The grassland ecosystem is an area of land-primarily occupied by grasses on large scale instead of the trees or shrubs. Grasslands receive enough rainfall to enhance the growth of grasses but not sufficient enough to support forest formation. Fire acts as a natural component associated with the grassland ecosystem. It helps in maintaining the vigor and health of the ecosystem. It does so by warming up the soil and lessen the leaf litter which gathers every year, in return allowing the sunlight to penetrate deep into the soil. The warming of the soil enhances the soil microbial activity which helps new flowers and grasses to grow by releasing nutrients from the leaf litter or decaying plant material.
As a result, fire is important to maintain the structure, composition, and function of both the ecosystems.
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Answer Details:
Grade: High School
Subject: Ecology
Chapter: Ecosystem
Keywords:
Savanna ecosystem, grassland ecosystem, fire ecology, anthropogenic, wildfires.