The Living World Flashcards
(26 cards)
Science of life forms and living processes
Biology
Twin characteristics of growth
Increase in mass and increase in number
A multicellular and unicellular organisim grows by
Cell division
In plants cell division happens for how long
Throughout their life
In animals cell division occurs for how long
Up to a certain age
In living organisims growth occurs from where
Inside the organisim
Production of progeny possessing features more or less similar to those of parents
Reproduction
Two types of reproduction
Sexual and asexual reproduction
Organisim which reproduces through spore formation
Fungi
Spore formation is a type of which reproduction
Asexual
Yeast reproduces through
Budding
Hydra reproduces through
Budding
Planaria reproduces through
Regeneration
Eg of flat worms
Planaria
A fragmented organisim regenerates the lost part of its body
Regeneration
Fungi reproduces through ( two methods )
Spore formation and Fragmentation
Filamentous algae reproduces through
Fragmentation
The protonema of mosses reproduces through
Fragmentation
Reproduction is synonyms with growth in
Unicellular organisims
An organisim which does not reproduce
Sterile worker bees
Conversion of chemicals into biomolecules are called
Chemical reaction or metabolic reaction
Total sum of all chemical reaction occurring in human body
Metabolism
Defining feature of life forms
Cellular organisation
What affects reproduction in seasonal breeders
Photoperiod
