Answer:
<u>State</u> anxiety is the actual experience of apprehension and uncontrolled arousal and <u>trait</u> anxiety is a personality characteristic, which represents a latent disposition to perceive situations as threatening.
Explanation:
<u>State anxiety:</u> It is basically a "right now" feeling which changes from moment to moment, manifesting itself as an interruption of an individual's emotion state, leading to a sudden superversion of emotional equilibrium, caused by external factors of current state. e.g An atheletes emotional state at any given time that is variable from situation to situation.
<u>Trait anxiety:</u> It is a personality disposition which is stable over time. e.g An atheletes disposition to interpreting a situation as threatning and responding with an increase in state anxiety.
Population bottlenecks. but their genes still carry the marks of this bottleneck: they have much less genetic variation than a population of southern elephant seals that was not so intensely hunted.
Answer:
Soil Erosion
Explanation:
Basically, tillage breaks soil up, destroying its overall structure. It encourages surface runoff and therefore soil erodes more easily. In some cases soil erosion is beneficial, but in most cases, it is not. Tillage has also been found to cause the emissions of more toxic gases such as N20.
Smilus dramaticus: All of the Duchotomous keys one smiles :)
.Smilus upsettus
Smilus saddus
Smilus winkus
Smilus Saddest
Smilus piratus
Smilus valentinus
Smilus suprisus
Smilus toothyus
Smilus traditionalis
Answer:
A. 3
B. 4
C. 5
D. 6
E. 2
F. 1
Explanation:
1. Integumentary system.
This is an organ system that consists of hair, skin, nails and exocrine glands with receptors that senses the outer stimulus and environmental conditions, through homeostasis maintain stability of the internal environment.
2. Nervous system.
It receives sensory information and signals, convert them to nerve impulses that are transmitted to the body and brain via the spinal cord using nuerons and axons. It also intergrates, retains and analyses information in the brain.
3.Endocrine system.
Secretes hormones and chemicals in response to stimulus from the nervous system to maintain balance using feedback loops i.e, negative and positive.
4. Lymphatic system.
Part of the immune system that consist of vessels that carries lymph, cleaning the blood by filtering lymph with foreign particles into the lymph node.
5. Urinary system.
Used to eliminate waste from the body, regulates blood pressure, volume and pH. It also used to retain electrolytes and metabolites.
6. Respiratory system.
Used for gaseous exchange using the blood, heart and lungs. Air enters the lungs, transported by blood and is pumped by the heart to all body parts where oxygen is dropped, carbon dioxide is collected by the veins to the lungs and released to the atmosphere.