Answer: D. Guns happened to be in the room.
Explanation: In studying different concepts of aggression, Berkowitz and Lapage(1967) found out that in their experiment, frustrated men delivered more shocks to their partners when guns rather than badminton racquets happened to be in the room.
Answer:
the body loses its ability to fight infections
Answer:
<em>Two main types of Tundra:</em>
- Arctic tundra is the tundra region which can be found in the northern hemisphere close to the regions of Alaska, Greenland, Siberia.
- Antarctic tundra is the tundra region found near the Antarctic peninsula.
<em>Biotic factors of Tundra:</em>
Biotic factors can be described as the living components of an ecosystem. The biotic components of the tundra include fungi, mosses, shrubs, insects, fish, birds and mammals.
<em>Abiotic factors of Tundra:</em>
Abiotic factors can be described as the non-living components of an ecosystem. The abiotic components of the tundra include temperature, wind, rain, snow, sunlight, soil, rocks and permafrost.
The answer is; Evolution is occurring in the population
When the gene frequency is changing in a population it means some gene alleles are being slowly eliminated from successive generations and the other is being favored. This means that one allele is giving an advantage in the environment while the other is offering a disadvantage. This is natural selection, which powers evolution., in progress.