The answer would be D considering that Scientists wright them in a peer-reviewed journals that are read by other scientists<span>. They also talk about their findings at conferences </span><span />
Question: Below is a list of functions performed by organisms. Examine the list, then answer the question that follows.
gas exchange
intake of nutrients
disposal of wastes
stimulus response
reproduction
How do these functions compare between single-celled and multi-celled organisms?
A. Single-celled organisms can perform all of these functions, while multi-celled organisms can perform only some of these functions.
B. Single-celled organisms must perform all of these functions with one cell, while multi-celled organisms can have specialized cells for different functions.
C. Single-celled organisms can perform only some of these functions, while multi-celled organisms can perform all of these functions.
D. Neither single-celled organisms nor multi-celled organisms can perform all of these necessary functions.
Answer:
Option B, Single-celled organisms must perform all of these functions with one cell, while multi-celled organisms can have specialized cells for different functions.
Explanation:
All these functions are performed by both single celled and multi-cellular organism. A single cell has several microscopic organelles that performs specific functions while a multi - celled organism has different body organs/tissues to perform specialized function separately.
A cell exchange gas through the cellular membrane, intake nutrients through engulfing, dispose waste by lysosomes, stimulus response by sensory hairy structure and reproduction through cell division
Hence, option B is correct.
Answer:
C) autonomic nervous system (ANS) within the motor division
Explanation:
Autonomic nervous system is the involuntary portion of the nervous system.
The motor (efferent) portion of the autonomic nervous system is the major neural pathway for information transmission from the central nervous system to the involuntary effector organs like smooth muscles , cardiac muscles , exocrine glands etc.
Hence the autonomic system within the motor division doesn't appear to show some effects.
Hence option C) autonomic nervous system (ANS) within the motor division is the right answer.
The period during which the presence of stromatolites decline is the Proterzoic period. Stromatolites are widely distributed sedimentary structures consisting of laminated carbonate or silicate rocks, produced over geologic time by the trapping, binding, or the precipitating of sediment by groups of microorganisms, primarily cyanobacteria.
Answer:
The correct answer is - B. plenty of sunlight
Explanation:
Abiotic factor in an ecosystem is a factor that shapes its environment such as temperature, water, sunlight, and many more factors in a terrestrial ecosystem.
The ecosystem abiotic factors affect the population size in the ecosystem. Among the options sunlight that affects the whole ecosytem included herbivore, carnivore and many other aspects.
