SCIENCE FORM 2 (CHAPTER 1-3)

what is biodiversity

• the diversity of organisms,whether microorganisms,animals or plant.

• a method that uses organisms that are natural predators,parasites or pathogens to reduce the number of pests in an area

• the competition of an organism to other organism

sea anemones are...

• invertebrates with legs

• invertebrates without legs

• vertebrates

• invertebrates with segmented body

kingfisher are

• poikilothermic

• undergo external firtilisation

• homeothermic

• invertebrate

orchids have

• leaves with parallel veins

• woody stem

• leaves with network-like veins

• tap root

what is tertiary consumer?

• an organism that ate another organism

• an omnivore and carnivore that eats primary consumer

• secondary carnivore that ate secondary consumer

• organism that breaks down dead animals and plants into simpler materials or nutrients

Himalayan bluetails are...

• primary consumer

• tertiary consumer

• secondary consumer

• decomposer

what is the relationship between shark and remora fish

• mutualism

• commensalism

• parasitism

• prey-predator

what is the interaction between birds nest ferns and trees

• commensalism

• mutualism

• paraitism

• competition

food is divided into______classes

• 6

• 10

• 7

• 9

name a disease caused by protein deficiency

• kawasaki

• coxsackie

• kwashiorkor

• corona