Answer:
Sympatric speciation.
Explanation:
Sympatric speciation occurs between Crematogaster ashmeadi and Linepithema humile ants because they live on the same geographical location. Sympatric speciation is a type of speciation in which ancestral population evolve into separate species without separation of geography. Hybrid sterility is the postzygotic isolating mechanism that decreases the fitness of the hybrid individuals and helps in controlling the population of an organisms..
Answer:
The correct answer is "Statistical Hypothesis".
Explanation:
Given the example, the breeder wants to find the relationship between the two variables which are the effects of bredding and the face length of the boxer breed. He/She is using the statistics of the face length from the years 1915 and 2015 so the type of hypothesis that should be used is "Statistical Hypothesis" which is used when the hypothesis can be verified statistically. I hope this answer helps.
Answer:
Bioluminescence is the phenomenon which is seen in the dinoflagellates which is very common. It is caused due to chemical reactions that takes place inside the organism.
There is an influx of protons in the cell which drops the pH of the cell. It is the oxidation of luciferin which produces the glow.
This phenomenon acts as a shock for the predator because it is in the form of flash for less than 20 microseconds.This flash reduces the number of dinoflagellates which is being eaten by the predator.
Answer:
D. structures that have lost all or most of their function over evolutionary time
Explanation:
the question states that the leg bones are almost entirely unused because of evolution
Answer:
The first cave paintings are characterized by the use of natural pigments of plant origin such as charcoal, body wastes such as feces and mineral origin.
The paintings were made in caves in areas of darkness and painted with fingers.