Frogs are considered an indicator species because they are so sensitive to environmental conditions and are often affected before other species when there is a problem. True False
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- The mark-recapture method is used to estimate the population size of mountain yellow-legged frogs in the San Gabriel Mountains of southern California. 100 frogs are captured and marked. A week later, 50 frogs are captured, and 10 of them are marked. The total population size isWHAT IS THE BEST RESEARCH GAP FOR THIS TITLE SPECIES DIVERSITY AND DISTRIBUTION OF HOUSE-DWELLING LIZARDS IN ILIGAN CITYTwo related species of salamanders were found living on opposite sides of a mountain. One species lives in along a shady forest stream on the leaf covered-ground and is brown with dark green spots. The other species live along the bright, sandy banks of a larger river is light tan in color. What is most likely cause of the difference between these two species of salamander? Group of answer choices Competition Predation Mating seasons Different habitats
- A male lion in Kenya generates more money through ecotourism than if killed for its skin. True FalseWhich of the below is true for Hunter-Gatherers? low fertility and low mortality rates very high rates of migration high fertility and high mortality rates early age of weaning and low interbirth intervalsTwo species of frog live near each other. Species A is bright red and poisonous. Species B is also bright red but is not poisonous. What adaptation to predators is Species A exhibiting? Group of answer choices Batesian mimicry. Cryptic coloration. Aposematic coloration. Mullerian mimicry.
- According to the article, there are 3,000 brown tree snakes in Guam per square mile (mi2 ). The average high school in the United States is approximately 121,000 square feet or 0.004 square miles (mi2 ). According to these numbers, how many brown tree snakes would be found in an area the size of a typical U.S. high school?Aggregations are unstable units. What could be a reason for aggressive behaviors in an aggregation? resources are limited resources are plentiful reduced predation too many different speciesTiger is not a resident in which national park?
- Of the organisms listed below, which is the closest relative of the snowy owl (Bubo scandiacus)? Question 10 options: Barn Owl (Tyto scandiacus) Eastern Screech Owl (Megascops asio) Saw-Whet Owl (Aegolius acadicus) Great Horned Owl (Bubo virginianus)Many species of birds have elaborate mating rituals that include bird calls, nest construction, and courtship displays. A researcher is comparing two populations of birds with similar morphology that live in similar niches. Male birds in one population build a nest before attempting to court a female, while males in the other population build the nest in cooperation with the female. Is it likely the researcher will classify these birds as the same species?Why do you think ridley turtles nest in such large numbers on the same beach?