A _______ __________ shows the feeding relationships among living things.
food chain
By wind or animals
______ gets inside the mother's body and fertilises an egg.
sperm
this flower part protects the unopened flower
sepal
Name one endangered species found in this chapter.
Black-faced spoonbill, Green sea turtle, Chinese Sturgeon, elephants, rosewood
this flower part receives pollen and the ovary grows into a fruit
pistil
List the four stages of the life cycle.
birth -> growth -> ageing -> death
Illegal
What are the two processes that balance the exchange of gases that animals and plants?
Respiration + Photosynthesis
How do plants spread their seeds? (Name 2)
wind, water, animals, bursting
Reproduction helps prevent ______________ of animals.
extinction
The transfer of pollen from a stamen to a pistil is called?
Pollination
The zebras and lions will die eventually. After all the plants disappear, zebras will die because of lack of food. After all the zebras die, the lions will die because of the lack of food too.
What do flowers use to attract insects to spread pollen?
nectar, sweet smells, colorful petals
What animals are hatched from eggs from outside the mother's body? (Name 2)
ducks, chickens, bees, frogs, trurtles, snakes . . .
Is is true that only females give birth?
No, seahorses / sea dragons' males give birth
How can we help maintain the balance of nature?
treasure animal and plant resources, protect the ecosystem
What is special about a dandelion's seeds and how are they spread?
Light seeds, spread by wind
What does a fertilised egg or embryo need from its mother to grow?
Nutrients
No. Through careful measures to balance social development, economic development and environmental protection, urban development can be done responsibly.