Answer:
Answered below
Explanation:
Cell membranes are barriers which protect and regulate the movement of substances in and out of the cells. It is a semi-permeable and selective structure.
In the passive transport system, substances move along a concentration gradient and it doesn't require energy. The examples of passive transports include; simple diffusion which transports carbon dioxide and oxygen, osmosis and facilitated diffusion which transports charged molecules like ions, sucrose etc.
In active transport, substances move against the concentration gradient. This requires energy. The two main types are: primary active transport, which uses direct metabolic energy e.g Na+/K+ pump, and the secondary active transport system which couples the transported molecules with another molecule moving along the gradient, example the Na+/glucose transporter.
<span>The process is called Precipitation.
Water evaporated into the atmosphere. Due to the very low temperature of the
atmosphere, the vapor condenses and it is turned back into a non-gaseous form,
and because of gravity, it falls back to the ground in various forms, such as
rain, snow, sleet, or hail. </span>
Answer:
Peces, excretan amoniaco
aves, acido urico
mamiferos, Urea
Explanation:
Como son especies diferentes, cada una tiene un aparato excretor distinto, su ciclo biológico y su medio ambiente hacen que se presenten estas diferencias.
The appropriate options of the given question is as follows:
a. The high specific heat capacity of water allows the body to absorb a large amount of excess heat energy.
b
. The high heat of vaporization of water allows the body to remove excess heat through a phase change of water from liquid to gas.
c
. The high surface tension of water contributes to the physical process by which water leaves the body.
d
. The high melting temperature of the water allows the body to remove excess heat through a phase change of water from solid to liquid.
Answer:
The correct answer is - Option a. and b.
Explanation:
Sweating is one of the processes of the homeostasis that helps in the regulation of the body temperature in humans and other animals. Sweat helps in preventing the body from overheating if the external environment is high in temperature. The sweat evaporates to release heat in form of calories which helps in the regulation of body temperature.
Due to the high heat capacity of water, helps to more evenly distribute or transfer heat in the body. It helps in maintaining a more even temperature by transporting heat from warm places to cool places.
Thus, the correct answer is - a and b.
Generally, 10% of total available energy is transferred to the next trophic level in any food chain. Rest about 90 % of the stored chemical energy is lost as heat, a by-product of respiration. Let’s assume a 10% transfer rate, starting from producer (100%), primary consumer (10% ), secondary consumer 1%) and tertiary consumer have (0.1%). Therefore, quaternary consumers will have less than 0.1% of energy. Thus, statement is true.
