Examples of index fossils include: Ammonites were common during the Mesozoic Era (245 to 65 mya), They were not found after the Cretaceous period, as they went extinct during the K-T extinction (65 mya).
Answer:
Neutrophils represent the first line of defence in response to invading microbes, by phagocytosis of pathogens and/or release of antimicrobial factors contained in specialised granules.
Answer:
By aligning groups with common properties
Explanation:
An individual’s mental predisposition that influences perceptual expectations is one’s perceptual D. set
The predisposition to perceive things in a certain way is called as perceptual expectancy or perceptual set.
A group of expectations that mold experience by pushes people become sensitive to specific kinds of information is known as set.
Answer:
The brain has 3 major parts - cerebrum, cerebrum, brain stem. The brainstem is also divisible into three parts - medulla oblongata, pons, midbrain. The brain stem concerns with breathing, digestion, circulation.
The cerebrum is present between the cerebrum and midbrain. It carries motor information. It consists of the thalamus, hypothalamus. The hypothalamus function is the maintenance of homeostasis. The pituitary gland is present in the hypothalamus region.
The cerebrum has different lobes - frontal lobe, parietal lobe, occipital lobe, temporal lobe. These lobes are meant for sense i.e. vision, auditory, smell, and taste, etc.
The cerebrum is also divisible into the right and left hemispheres.
