Answer:
Karl von Frisch is best known for two major discoveries about honey bees. First, he demonstrated that honey bees have color vision, and published these findings in 191*. Second, in 193* he showed that honey bees use a dance language to communicate food locations to other bees.
Explanation:
Figure 1. Grids for the color vision test. The training color, marked with T, is blue in both cases; all other squares are shades of gray. The left box shows how the grid appears to an animal with color vision. The right box shows how the same grid may appear to an animal without color vision. The training square appears to be the same shade of gray as other squares in the grid. If the test animal cannot see in color, it will confuse the training square with other squares matching its shade of gray.
This clever test for color vision can be applied to any animal which can learn to recognize a feeding station using visual patterns.
The dance language
von Frisch observed that once one honey bee finds a feeding station, many other soon appear at the same station. This suggests that the first bee recruits other bees to the food. How might honey bees recruit help in collecting food? von Frisch¹s discovery of the dance language of the honey bee required careful determination of the correlations between movements of bees inside the hive and the locations of feeding stations. He found two types of dance. The round dance (Figure 2A) causes bees to look for food a short distance (up to about 50 meters) from the hive. The waggle dance (Figure 2B) tells bees the direction and distance to fly to find more distant food sources. Scout bees use these dances to recruit assistance in collecting food resources.
<u>W</u><u>h</u><u>y did the irish potato famine occur</u><u>:</u>
<em>~</em><em>b</em><em>e</em><em>c</em><em>a</em><em>u</em><em>s</em><em>e</em><em> </em><em>of</em><em> </em><em>a failure of the potato crop, which many people relied on for most of their nutrition. </em>
<em>~</em><em>A disease called late blight destroyed the leaves and edible roots of the potato plants in successive years </em>
<em>~</em><em>began in 1845</em>
<em>~</em><em>ended</em><em> </em><em>in</em><em> </em><em>18</em><em>4</em><em>9</em>
<em>~</em><em>Name</em><em> </em><em>of</em><em> </em><em>the</em><em> </em><em>disease</em><em>-</em><em> </em><em>fungus-like organism Phytophthora infestans (or P. infestans)</em>
Hope this helped you- have a good day bro cya)<em> </em>
it is actually forests so a
Answer:
<em>The correct option is D) immigration</em>
Explanation:
Immigration can be described as the movement of an organism to another place for living. As the scenario in the question tells, the population of the endangered Philippine eagle could be seen only in one place hence we can say that the immigration rate of these organisms was zero because they could not be seen in any other place.
Other option, like option B, cannot be correct because mortality refers to the death rate and obviously many organisms of the species died due to which it became endangered.
Answer:
The correct answer is - D.C-N bond
Explanation:
A chemical bond is formed between the carboxyl group of an amino acid to the amino group of the other amino acid and release a water molecule. It is a dehydration synthesis reaction.
So, the peptide bond normally formed by the reaction between amino acid from C1 of one amino acid molecule and N2 of the other amino acid molecule.
So the peptide bond that formed by this reaction is involve bonding of C-N bond.