grade 8 (Fossils)

………… is an example of microfossils.

• fern

• Foraminifera

• Amber

• Fish

…………….. is the first natural protectorate in Egypt.

• Yellow stone

• Ras Mohamed

• Wadi hetan

• Sant cathrine

El Mokattam mountain was a sea floor due to presence of ………… fossil.

• Nummulite

• Ammonite

• Trilobite

• Coral

…………… is replica of internal details of old living organism in sedimentary rocks.

• Mold

• Cast

• Petrified wood

• Whole body fossil

Simple ecosystem is …………. by absence of one of its species.

• not affected

• improved

• affected

• increase

An extinct bird in recent ages is …………..

• Quagga

• Dinosaur

• Dodo

• Mammoth

……………. indicate the sequence of appearance of living organisms from simple to complicated.

• Index fossil

• Fossil record

• Fossil

• Food web

Reptiles appear before …………

• Amphibians

• Fish

• Invertebrates

• Birds

In petrification , …………… replace the wood material.

• Vitamins

• Dust

• Minerals

• Plastic

All the following are natural disasters that threaten living organisms except ……………

• Floods

• Volcanoes

• Drought waves

• Global warming