Answer:
The correct answer is the second statement.
Explanation:
The molecular clock refers to a procedure in molecular evolution that associate the time of divergence between the two species with the number of molecular differences determined between the sequences of DNA or proteins.
The more genetically associated, the shorter will be the separation time between the two species. Due to this, as clams and squid are more closely associated it can be concluded that these species look more genetically identical, and have evolved distinctly for a brief time duration in comparison to the clams and snails.
Answer:
B. Clams and squid have been evolving separately for a shorter time than clams and snails.
Explanation:
Edge 2021
EPA
HHS
USDA
HHS (Health and Human Services) is the correct answer.
US Department of Health and Human Services is the federal agency which aims at protecting the health of people of America and providing essential human services. Under the umbrella of this federal agency, several organizations work which include CDC (Centers for Disease Control and Prevention), FDA (Food and Drug Administration) and NIH (National Institutes of Health).
2) Mercury
3) Earth
4) Mars
Please explain
The planet that has the lowest average density is Mars. The correct option is 4.
The entire mass of a region divided by the total volume of that region yields the mean or average density.
By multiplying each compound's density by its volume and then dividing the result by the sum of all the volumes, one can determine the mixture's average density.
The average density of different planets is:
Venus; 5.2
Mercury; 5.4
Earth; 5.5
Mars; 3.9
So, the lowest density out of these planets is Mars. Density is something's concentration. If the density is low, the weight of the object will be low. When placed in water, an object will float if its density is lower than that of the water, whereas it will sink if its density is higher.
Therefore, the correct option is 4) Mars.
To learn more about average density, refer to the below link:
#SPJ2
It is not C..............
The statement for the transport of water and minerals from roots to plant by phloem is false.
The transport of food, water, and minerals from the roots to the leaves is mediated by the vascular tissues xylem and phloem in the plants.
The water and minerals are absorbed by the plant's roots from the soil, and are transported from the roots to the stem and leaves by the process of osmosis.
The transport of food in the plants is carried by phloem tissues, and the transport of water and minerals is carried by the xylem tissues.
Thus, the given statement is false.
Learn more about phloem, here:
The student should place all materials in an open metal container and autoclave the container.
The student should carry out procedure C, which is to place all materials in an open metal container and autoclave the container. Autoclaving is a process that uses high pressure and steam to sterilize materials. This is the most effective method for disposing of highly pathogenic bacteria, as it ensures that all bacteria are killed.
#SPJ11
b.blog
c.goverment website
d.newspaper editorial