Colorful poison frogs reading fill blanks Trigger point 46

Colorful poison frogs reading fill blanks Trigger point 46

Colorful poison frogs reading fill blanks Trigger point 46

In text below some words are missing. select words from the box below to the appropriate place in the text.

117. exercise

diversity tropical basin counter major

Colorful poison frogs in the Amazon owe their great ………………….. to ancestors that leapt into the region from the Andes Mountains several times during the last 10 millions years, a new study from the University of Texas at Austin suggests.

This is the first study to show that the Andes have been a …………… source of diversity for the Amazon basin one of the largest reservoirs of biological diversity on Earth. The finding runs …………………… to the idea that Amazon diversity is the result of evolution only within the …………………….. forest itself.

“Basically, the Amazon basin is a ‘melting pot’ for South American frogs,” says graduate student Juan Santos, lead author of the study. “Poison frogs there have come from multiple places of origin, notably the Andes Mountains, over many millions of years. We have shown that you cannot understand Amazonian biodiversity by looking only in the ………………… Adjacent regions have played a major role.”


118. exercise

contraction stretched pushed

The trigger point causes the rest of the fiber segments to be ……………………. to capacity. It becomes a tight band. Normally the regular contracting and releasing of these little segments circulates blood in the capillaries that supply them (the segments) with their nutrients. When they hold this ……………………… blood flow is stopped to that are, there is not an oxygen supply and waste products are not ………………… out. The trigger point then sends out pain signals until the trigger point is put in a position of rest again.


Higher Education Graduates in the Labor market fill blanks 45

Sharks Reading fill in the blanks Steven Pinker 44

PTE Listening practice test 2 full listening practice

Highlight correct summary PTE listening module practice 1

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