D. Poison dart frogs sometimes are bigger than great white sharks.25. What's the passage mainly about? A. Some animals in danger. B. Some animals with poison. C. The places where the animals live. D. The ways to protect animals. 相关知识点: 试题来源: 解析 Ⅲ. A [语篇解读]...
beating.Thepoisonisontheirskin(皮肤),sodon'ttouchthem.根据表格信息,选择最佳的答案.(1)Whatarethegreatwhitesharksfamousfor? ___A.Theirbigeyes.B.Theirlivingplaces.C.Theirsizeandsharpteeth.(2)Theadultpolarbearscanbearound ___.A.400 kgB.900 kgC.1,000 kg(3)Thepoisondartfrogs'poisonis ___.A...
Poison dart frogs are small and brightly coloured but the toxin in its body can cause paralysis and death. Puffer fish are considered to be a dangerous delicacy (美味佳肴) because some of their anatomy (部位) contains a dangerous toxin which, if ingested (摄入) in a large quantity, can ca...
This common ancestor was probably "diurnal", meaning it was active during the day, says Santos. Most of the 300 known poison dart frogs are diurnal, whereas most other frogs, including all of the poison dart frogs' likely ancestors, are active at night. "We expect that diurnality is deriv...
Is a poison dart frog an amphibian or reptile? Can amphibians pass disease to pets? Are water snakes amphibians? Do amphibians eat fish? Are toads amphibians or reptiles? Do amphibians eat plants? Are aquatic frogs amphibians? Are cane toads amphibians? Are toads mammals or amphibians? Are fro...
Poison Dart Frog(箭毒蛙) Poison dart frogs live in South America. They often have beautiful colours. Most of them are small, sometimes less than 1.5 cm. A poison dart frog has enough poison to stop the heart of a large animal from beating. The poison is on their skin(皮肤), so don'...
C There are nearly 200 species of poison dart frogs, known for their bright colours and highly poisonous skin. Not only are they beautiful,they can also do a kind of tapdance. The frogs have a habit of tapping the middle toes on their back feet. Scientists have never fully worked out ...
Poison Dart Frogs (箭毒蛙) Poison dart frog live in South America. They often have beautiful colours. Most of them are small, sometimes less than 1.5cm. A poison dart frog has enough poison to stop the heart of a large animal from beating. The poison is on their skin (皮肤), so don...
What are poison dart frogs' adaptions, and why is it beneficial for them to live in a tropical rainforest? Explain why both species richness and species evenness are important for a healthy ecosystem. Explain why rainforests are ...
Throughout the world, there are approximately 600 different species of frogs and their cousins, the toads. While the toads are better adapted to living in drier climates, frogs prefer to live close to water.Answer and Explanation: Frogs are amphibians. Amphibians differ from reptiles in a few ...