
BIO 2 - PLANT AND ANIMAL DEVELOPMENT
Quiz by John Sandrino
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Progressive changes in size, shape, and function during the life of an organism
The study of the process by which animals and plants grow and develop
Plant Growth (In order)
Animal Growth (In order)Â
-Â a hollow ball of cells
- three germ layer form
- differentiate into more-specialized cells
- continues until birth
- formation of organs from three germ layers
- organ and tissue formation via cell division
Three (3) germ layers
- muscle
- skeleton
- kidneys
- Reproductive system
- Nervous system
- skin
- Endocrine glandsÂ
- Lungs
- Digestive tract
- Liver
A single sperm cell combining with single egg cell to form zygote
Fertilized Egg
begins a series of rapid cell divisions
the single-celled zygote divides into smaller and smaller cells calledÂ
a fluid-filled or yolk-filled cavity
After the cleavage has produced over 100 blastomeres, the embryo is called
Union of male gamete and female gameteÂ
unborn offspring that is under developmentÂ
consists of an embryo, endosperm, and seed coat
have only one seed leaf inside the seed coatÂ
ex. corn
Protects the seed
Protection from harsh environment
protection from dehydration
Stores reserve food
Store food for the growing embryo
part of a seed that contains the earliest forms of plant's roots, stem, and leaves
Develops into the shoot
pushes the radicle deeper in the soil to form the roots
allows the embryonic shoot to break through the soilÂ
Develop into root to absorb water from the soil
have two seed leaves inside the seed coat
ex. string bean
absorbs water to break dormancy
process by which different plant species grow from a single seed into a plant
seed needs these 3 factors
first leaves to emerge (thick and fleshy, contain nutrients to sustain the seedling)
Embryonic root
Embryonic shootÂ
Consists of stem and leaves
Containing both primary and lateral roots
develops first true leaves and root system
Vegetative structures
- mainly carries out photosynthesis
- start when the root system enough to support plant growth
thickens and becomes sturdy
more extensive and complex having a root hairs
nodules
mycorrhizae
-Â flowering and fruit stage
- ovary of the flower becomes the fruit that protects the seed
Responsible for producing the pollen and ovules (seeds)Â
directs plant energy toward producing flowers, fruits, pollen, and seeds
Vital for production
- plants decline and death
- plant life cycle is complete