4. Which of the following is NOT a threat that impacts biodiversity?
a. use of land for agriculture and housing
b. dam construction
c. overuse of water
d. helping endangered species
D
10. If exponential growth occurs in the population of a species of predator, the population of its prey will most likely
a. decrease quickly
b. increase slowly
c. stay the same
d. experience exponential growth
A
16. What factors might have the greatest effect on infant morality in a country?
a. low life expectancy and women's fertility rates
b. the country's average income and parents' access to good medical care
c. burning of fossil fuels and population booms
d. parents' access to education, food, fuel, and clean water
D?
19. Which of the following is NOT a problem caused by rapid human population growth?
a. unsafe water
b. burnable fuel
c. quality housing
d. barren land
C
Thanks
-MC
I agree with all of your answers.
I assume that 16 is about infant MORTALITY, not MORALITY. <g>
Lol my bad, typo. Thanks!
-MC
You're welcome. :-)
4. a
4. To determine the answer to this question, we need to understand what a threat to biodiversity is. Biodiversity refers to the variety of life on Earth, including the different species and ecosystems. Threats to biodiversity are factors that can harm or damage this variety. To determine which of the options is NOT a threat that impacts biodiversity, we need to assess each option and see if it aligns with a known threat.
a. Use of land for agriculture and housing: This is a common threat to biodiversity as it often involves habitat loss and fragmentation, which can negatively impact species.
b. Dam construction: Damming rivers can alter natural water flows, disrupt ecosystems, and impact species that rely on these waterways.
c. Overuse of water: Excessive extraction or pollution of water can harm aquatic ecosystems and the species that depend on them.
d. Helping endangered species: While this option may seem like it could potentially positively impact biodiversity, it is not considered a threat. Helping endangered species refers to conservation efforts aimed at protecting and preserving their populations.
Therefore, based on the explanations above, the correct answer is d. helping endangered species.
10. Exponential growth refers to rapid and continuous growth at an increasing rate, and it can have significant impacts on populations. In this question, we are asked about the population of a predator's prey when the predator's population undergoes exponential growth.
When the predator population increases exponentially, it means that there will be more predators hunting the prey species. As a result, the prey population will face increased pressure from predation, causing it to decrease quickly. Therefore, the correct answer is a. decrease quickly.
16. Infant morality refers to the death of infants before they reach a certain age. This question asks about the factors that might have the greatest effect on infant mortality in a country.
To determine the correct answer, we need to assess each option:
a. Low life expectancy and women's fertility rates: These factors may indirectly influence infant mortality rates but might not have the greatest direct effect.
b. The country's average income and parents' access to good medical care: Access to good medical care is crucial for preventing infant mortality, so this option has a strong potential connection to the issue.
c. Burning of fossil fuels and population booms: These factors might indirectly impact infant mortality through environmental pollution and resource usage, but they may not have the greatest direct effect.
d. Parents' access to education, food, fuel, and clean water: Access to education, food, fuel, and clean water can play a significant role in reducing infant mortality rates, as they address basic needs and healthcare access.
Based on the explanations above, option d. parents' access to education, food, fuel, and clean water is the most likely to have the greatest effect on infant mortality in a country.
19. Rapid human population growth can have various impacts on society and the environment. To determine which option is NOT a problem caused by rapid human population growth, we need to assess each option:
a. Unsafe water: Rapid population growth can strain water resources and lead to inadequate sanitation, resulting in unsafe water supplies.
b. Burnable fuel: Rapid population growth can increase the demand for energy, contributing to the burning of fossil fuels and environmental degradation.
c. Quality housing: This option suggests that quality housing is not a problem caused by rapid human population growth. It is important to note that while the demand for housing may increase with population growth, the quality of housing might not necessarily be a direct problem associated with growth.
d. Barren land: Rapid population growth can lead to deforestation, overexploitation of land, and environmental degradation, which may result in barren land.
Based on the information provided, option c. quality housing is the answer as it is not directly mentioned as a problem caused by rapid human population growth.