Age predicts survival of sharks and rays — English Level A1

Scientists studied shark and ray fossils.
They looked at fossils from a very long time.
They wanted to know why species die.
The team found that young species die more.
Older species usually survive longer.
Sometimes many species disappeared at once.
Sometimes new species appeared after loss.
Now humans add extra pressure on these animals.

Difficult words

fossil — an old animal or plant in rock

fossils

species — a group of similar animals or plants

die — to stop living and not exist anymore

survive — to continue living after danger or time

disappear — to stop being seen or go away

disappeared

pressure — a force or effect on people or animals

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Age predicts survival of sharks and rays^{CEFR A1}

Difficult words

Discussion questions

Related articles

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Age predicts survival of sharks and rays CEFR A1

Difficult words

Discussion questions

Related articles

Local Communities Join Management of Manyange Na Elombo-Campo

Sri Lanka's Elephant Corridors Face Criticism

Caribbean coral reefs face disease threat

Hunting linked to more female wild turkey chicks

Foot bones show a species lived with Lucy

Age predicts survival of sharks and rays^{CEFR A1}