B. The respiratory and circulatory systems
C. The digestive and circulatory systems
D. The circulatory and excretory systems
The answer is B. The respiratory system and circulatory system.
During cellular respiration, cells use oxygen to oxidize glucose. Oxidation of glucose releases energy and carbon dioxide. Carbon dioxide is a waste product. It must be removed from cells. With help of circulatory system, carbon dioxide is transported through the blood from the cells to the lungs. Lungs are the part of respiratory system, from there carbon dioxide is expelled out via trachea and nostrils.
Giant squid can be found In the North Atlantic ocean.
Answer:
Asexual reproduction is a method of reproduction for most of single cell organisms including yeast, in this type of reproduction a single parent generates new organism and new one is exact copy of parent both physically and genetically.
In yeast asexual reproduction is carried out by budding, its an asymmetric type of division in which first a protruding body is produced on its surface, it fully grows and forms bud later. When full grown, buds detach from the parent cell and grows independently. Instead of single bud, a chain of buds could also be produced at the surface of yeast.
B) The earth forms, multicellular organisms appear, prokaryotes appear, eukaryotes appear.
C) The earth forms, prokaryotes appear, eukaryotes appear, multicellular organisms appear.
Answer:
The correct option is C. The earth forms, prokaryotes appear, eukaryotes appear, multicellular organisms appear.
Explanation:
There are many theories made by scientists which explain the formation of the planet Earth and many other theories describe the formation of life on this planet. Some theories claim that the Earth was formed from the Sun and eventually it began orbiting around the Sun. The location of the Earth from the Sun was best for the formation of life on Earth.
Some hypothesis claim that life started on Earth in extreme heated conditions known as hydrothermal vents. Prokaryotic organisms were the first to get evolved. Some prokaryotic organisms engulfed smaller prokaryotes and gave rise to eukaryotes. These eukaryotes over time formed multicellular organisms.
Answer:
C. The earth forms, prokaryotes appear, eukaryotes appear, multicellular organisms appear.
Explanation:
Explanation:
B) repetition.
C) replication.
D) validity.
Answer: C) replication.
Explanation:
Replication in experiments is the process by which the entire experimental process is repeated as done by the previous scientists, keeping in mind all the necessary requirements and experimental conditions so as to determine the correctness of the experimental methodology, relationship between the variables, correctness of the results and other parameters.
Here, several group of students are repeating the same experiment and getting the same results this process is called as replication.