This question is not complete; here is the complete question:
A one-hectare pond is sampled in early September. The sample yields 1 small catfish as well as 17 benthic invertebrates that represent 10 species.
If the pond is resampled a year later, which of the following would best indicate that the pond had been adversely affected by adjacent development?
A. An uncommon species has become more numerous
B. An increase in low-tolerance species has occurred
C. A decrease in high-tolerance species has occurred
D. Phylogenetic diversity has occurred
E. The biodiversity of the pond has decreased
The answer to this question is E. The biodiversity of the pond has decreased
Explanation:
In ecology, an ecosystem can be affected by adjacent developments including human developments or even other ecosystems and this can lead to positive or negative consequences.
In this context, one example that shows the was an adverse effect is "The biodiversity of the pond has decreased" because the reduction in diversity represents a major thread for an ecosystem as this makes species more vulnerable to disappear. Also, this can be caused by factors such as pollution caused by human development or major predator of the adjacent ecosystem feeding on organisms in the main ecosystem. Besides this, in the first sample, there were multiple species and a reduction in the second sample shows the ecosystem was weakened.
Failure. Why we fail, How we fail. Who thinks we fail. and how it leads to success even though we don't know if we're really successful.
Answer:
Rusting metal can: Chemical
Boiling water: Physical
Crushing aspirin: Physical
Exploding nitroglycerin: Chemical
Answer: Maintaining a good health is necessary for maintaining the fitness of the body for performing daily physical activities.
Explanation:
1. The obesity is caused by the excess accumulation of fat in the body which lead to weight gain and the person is expected to get overweight. The people suffering from obesity are expected to accumulate cholesterol and fats in their blood vessels leads to arteriosclerosis and hypertension.
2. The low body physical activity, intake of heavy diet rich in fats and oil contribute to the accumulation of fat.
3. The desired state for the healthy life is daily exercise, appropriate sleep, reduction of sedentary life and healthy eating habits including fibers in the food which prevent constipation.
4. To obtain a lean body fat content one should increase the cardio exercise, must take adequate protein, reduce fats and oils in the diet, must eat high fiber diet, try to perform daily physical activities and lift weights.
