sunshine210421

06.05.2021 • 

Biology

Question 12 The brown anole (Anolis sagre) is a species of lizard native to Cuba that has been introduced into the southeastern United States. The range of brown anoles in the United States has been
expanding and they are now competing with native green anoles (Anolis carolinensis). Some of the characteristics of the green and brown anoles are shown in Table 1.
TABLE 1. CHARACTERISTICS OF TWO ANOLE SPECIES
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Anole Species
Body Length
Limb Length
Relative to
Body Length
Toe Pad Size
Relative to
Body Length
Cold Tolerance
A sagree
55-80 mm
Long
Intermediate
30-35°C
(brown anole)
A carolinensis
(green anole)
45-85 mm
Short
Very large
25-30°C
Acladogram showing the relationships between some anale species is shown in Figure 1.
A. carolinensis
A. stratulus
A. evermanni
DOLL

Ответ:

minervica

07.09.2020

Biology

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As the individual body size of an organism increases, the population density for this organism in a given habitat tends to decrease.

  It has been shown that an inverse relationship between the size of an animal and its local abundance exist. Animals with larger body size have higher energetic requirements, resource exploitation, and susceptibility to predation and thus the competition is bigger. Yet, the density–body size relation depends on the physical complexity of the habitat and population of a species.

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