Lets us obtain the nutrients and energy we need to live
Nutrition function
An insect or the wind carries pollen from one flower to another
Pollination
The offspring drink milk from their mother's mammary glands, sometimes have hair or fur, almost always viviparous, land or aquatic animals
Mammals
Aquatic animals with a spiny shell and a round or star shape
Echinoderms
Animals that have an internal bone skeleton and a backbone (page 23)
Vertebrates
Lets us produce living things that are similar to our parents
The seed opens and the embryo develops a small root and a small stalk. This becomes a new plant
Germination
Very thin skin, no scales, feathers, or fur, aquatic when born and land animals as adults, almost all are oviparous
Amphibians
Aquatic or land animals with no legs and a long body sometimes divided into ring segments
Worms
Crop farming consists of _______ (page 25)
cultivating the land
Lets us interact with our environment and other living things
Interaction function
When a grain of pollen reaches the pistil of another flower of the same type of plant, a tube forms which extends to the ovule and fertilizes it
Fertilization
Land animals with wings or feathers, oviparous; eggs with shells
Aquatic or land animals with a muscly body, a foot and organs inside a cover, sometimes have shells and tentacles
Molluscs
Animals that have no internal bone skeleton or backbone (page 24)
Invertebrates
Through the ____ plants produce their own nutrients, respire, distribute and use substances, and expel waste they produce
nutrition function
Plants react to factors such as light, _____, and contact and the ______ in light and temperature that take place at different types of year. (page 21)
water, changes
Aquatic animals with fins and scales, almost all are oviparous
Fish
Aquatic animals with bag-shaped bodies and poisonous tentacles
Cnidaria
Plants perform _____ to obtain nutrients and oxygen. (page 21)
Photosynethesis
Through the interaction function, plants ___ to any changes in the environment where they live
react
During respiration, plants take in _____ and expel ____. (page 21)
Oxygen, carbon dioxide
Aquatic or land animals with scales (sometimes a shell), have four legs or none, almost all are oviparous
Reptiles
Aquatic or land animals with legs (sometimes wings), and a shell with articulated and mobile parts
Arthropods
oviparous