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OBJECTIVES

01-10 DCADABCADB
11-20 ABDBABDAAA
21-30 ACBABBCBCB
31-40 ABDDDBDACA
41-50 BCCCDADBAA

Eassy

(1)…..

2a

(2b)
difference between dentition of Herbivores and Carnivores

a) Incisors

Herbivores: The incisors of herbivores are sharp and are used mainly to cut, gnaw and bite

Carnivores: The incisors of carnivores are pointed teeth and are used to catch prey


b) Molars and Premolars

Herbivores: Molars and premolars of herbivores have flat grinding surfaces, and they grow continuously throughout their lifetime.

Carnivores: Premolars and molars of carnivores are flattened with uneven edges and are used to shear the flesh of prey into smaller pieces. They do not grow continuously throughout life.

C) Canines

Herbivores: Ruminants have canines that are similar to incisors. Gnawing herbivores do not have canines.

Carnivores: Canines of carnivores are long, pointed canines are used to catch, kill their prey and tear the flesh of prey.

(4ai)
It states that the amount of the conserved quantity at a point or within a volume can only change by the amount of the quantity which flows in or out of the volume.

(4aii)
– Conservation of mass and energy
– Conservation of linear momentum, conservation of angular momentum
– Conservation of electric charge
(4bi)
– Lax and broken regulation systems

– Highly-priced and valued animal parts, products, and pets

(4bii)
– Elephants
– Rhinos
– Tigers
– Gorillas
– Sea turtles

(4c)
– Loss of biodiversity, migration of wildlife
– Exological imbalance
– Soil erosion
– Disruption in hydrological cycle of water catchment area

(4di)
A blood transfusion is a routine medical procedure in which donated blood is provided to you through a narrow tube placed within a vein in your arm. This potentially life-saving procedure can help replace blood lost due.

(4dii)
An antigen is any substance to which the immune system can respond. For example, components of the bacterial cell wall can trigger severe and immediate attacks by neutrophils.

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