Biodiversity (unit 1) Flashcards
(17 cards)
What is biodiversity? State the examples of living things.
Bio means living things and diversity means variety.
-Plants
-Microorganism
-Animals
What is endemic species?
Endemic species means species that are almost extinct
State the importance of biodiversity and an explanation.
-Medical
-,Food source
-Education
-Raw materials for industry
-Recreational places
-Balance in nature
Steps to protect biodiversity.
-Protecting organisms
-Cutting only selected trees
-Protecting flora and fauna habitats
-Banning illegal logging
-Carrying out awareness campaigns
-Replanting new trees
Explain what is invertebrates and vertebrates
Invertebrates are animals without a backbone and vertebrates are animals with a back bone
What kind of invertebrates are there?
-With and without legs
-With and without segmented body.
State the classes of vertebrates
-Amphibians, fish ,bird, mammal, reptiles
Common characteristic of vertebrates.
-Habitat
-Breathing organs
-Body Temperature
-Movement
-Type of fertilisation
Common characteristics of fish.
-Poikilothermic
-Gills
-Lay eggs
-External fertilisation
-Covered in hard and slimy scales
Common characteristics of amphibians.
-Poikilothermic
-Live in water and land
-Lungs and moist skin
-jelly like eggs
-external fertilisation
-covered with moist and smooth skin
Common characteristics of reptiles.
-Poikilothermic
-Internal fertilisation
-Eggs with shell
-covered with hard skin and scales
-Lungs
-Live on land and some in water
Common characteristics of bird.
-Homeothermic
-Lay eggs
-Internal fertilisation
-Covered in feathers
-Has wings
-Lungs and live on land
Common characteristics of mammal.
-Homeothermic
-Land and with lungs
-Give birth and nurse their young
-Internal fertilisation
-Covered in fur or hair
What are non-flowering plants and flowering plants?
Non flowering : plants that can’t produce flowers
Flowering: can produce flowers
explanation of non vascular and vascular
Non vascular: -Moss
-Produce spores
-Doesnt have real leaves, stems and roots
Vascular: Fern and Conifer
-Fern produces spores
-Has leaves, stem and roots
-Conifer has real leaves,stems and roots
-Bears cones (seeds)
Characteristics of monocotyledon
-One cotyledon
-Fibrous roots
-Non woody stems
-Leaves with parallel veins
-Petals in multiples of three
Characteristics of Dicotyledon
-Two cotyledon
-Tap roots
-woody stems
-network like veins
-Petals in multiples of four or five
