新倮标人教版课件系列 《高中英语》 选修(模块)944
新课标人教版课件系列 《高中英语》 选修(模块）9-4.4
Warming up How much do you know about plants?
How much do you know about plants?
Do you know that? 1. some plants do not have flowers? For example pine trees, cypress trees ferns, mushrooms. With these plants, the seeds are not contained inside a fruit Flowering plants have seeds that are contained inside fruit
Do you know that? 1. some plants do not have flowers? For example pine trees, cypress trees, ferns, mushrooms. With these plants, the seeds are not contained inside a fruit. Flowering plants have seeds that are contained inside fruit
2. some plants have roots that live in the air? For example, mangrove trees live in wet conditions and have roots that grow up from the mud into the air to absorb oxygen (See Picture A, the mangrove tree). Other plants that have aerial roots are plants such as some ferns. some orchids and climbers in rainforests that use their roots to attach themselves to other plants. Their roots not only attach the plant to the tree but also absorb water from the air(See Picture D, the birds nest fern)
2. some plants have roots that live in the air? For example, mangrove trees live in wet conditions and have roots that grow up from the mud into the air to absorb oxygen (See Picture A, the mangrove tree). Other plants that have aerial roots are plants such as some ferns, some orchids and climbers in rainforests that use their roots to attach themselves to other plants. Their roots not only attach the plant to the tree but also absorb water from the air (See Picture D, the bird's nest fern)
3. some plants eat meat They get their food from animals by trapping insects that land on them, killing them and then digesting their bodies with chemicals. Picture B shows an insect-eating plant called a Venus flytrap When the hairs on the leaves are touched by an insect, the two parts of the leaf snap together and trap the victim
3. some plants eat meat? They get their food from animals by trapping insects that land on them, killing them and then digesting their bodies with chemicals. Picture B shows an insect-eating plant called a Venus flytrap. When the hairs on the leaves are touched by an insect, the two parts of the leaf snap together and trap the victim