Frog watch: use a field journal. (Critical Thinking).Reread Verb 1. reread - read anew; read again; "He re-read her letters to him"read - interpret something that is written or printed; "read the advertisement"; "Have you read Salman Rushdie?" the article "Rainforest Frogs: Vanishing Act "Vanishing Act" is an episode of The Outer Limits television series. It first aired on 21 July, 1996, during the second season. Introduction Trevor McPhee makes a quick trip to the shops, but after a strange experience he returns home to find that ten years have ?" (p. 12). Now, imagine you're a herpetologist her·pe·tol·o·gy n. The branch of zoology that deals with reptiles and amphibians. [Greek herpeton, reptile (from herpein, to creep) + -logy. . You are observing frogs in a tropical rainforest Tropical rainforests are rainforests generally found near the equator. They are common in Asia, Africa, South America, Central America, and on many of the Pacific Islands. , and you've noticed flogs doing strange things that leave you scratching your head in wonder. But that's okay! A scientist always starts with questions--not answers. Below are notes from your field diary. Write an educated guess, or hypothesis, to explain each frog's adaptation, a change that helps the frog frog, common name for an amphibian of the order Anura. Frogs are found all over the world, except in Antarctica. They require moisture and usually live in quiet freshwater or in the woods. survive in its environment. Of course, in real life, a field diary is just the beginning. Confirming your hypothesis could take years of field observation, data collection, and lab work. Directions: Read the information below and hypothesize hy·poth·e·size v. hy·poth·e·sized, hy·poth·e·siz·ing, hy·poth·e·siz·es v.tr. To assert as a hypothesis. v.intr. To form a hypothesis. why each frog developed the trait trait (trat) 1. any genetically determined characteristic; also, the condition prevailing in the heterozygous state of a recessive disorder, as the sickle cell trait. 2. a distinctive behavior pattern. described.
Species Name Description of Question Hypothesis:
Adaptation/Trait Reason for
Adaptation
Golden Frog These brilliant Why do these Hand signals
(Atelopus yellow frogs sit frogs use hand could be an
zeteki) on rocks beside signals to adaptation to
rushing streams or communicate the roar of
rivers and wave even though they rushing
their front legs can make vocal water, which
at one another to calls? drowns out
communicate. The the sound of
cascading water is the frogs'
extremely loud. calls.
Suriname Toad Most frogs flick Why do they eat
(Pipa pipa) out their tongues with their
to catch food. fingers and not
These frogs eat their tongues?
with their
fingers.
Class Frog Females lay eggs Why lay eggs on
(Centrolenella on leaves leaves above the
fleishmanni) overhanging stream instead of
streams. Males in the water?
guard eggs until
they hatch. Newly
hatched tadpoles
fall off leaves
and plop into
stream.
Don't Stop Now: What steps might you take to confirm each hypothesis? |
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