Unit 10

___ is a branch of Natural Science, and is the study of living organisms and how they interact with their environment

• Biology

• Biological

• Biologist

• Biologically

A/ an ___ species is a population of an organism which is at rick of becoming extinct

• dangerous

• endanger

• endangered

• endangerment

Only a few of the many species at rick extinction actually make it to the lists and obtain legal ___

• protect

• protection

• protective

• protector

Probability of extinction depends ___ both the population size and fine details of the population demography

• on

• in

• from

• for

Many modern medicines are derived ___ plants and animals

• on

• for

• from

• in

15,589 species (7,266 animal species and 8,323 plant species) are now considered ___ rick ___ extinction

• at / of

• on / in

• for / with

• in / at

Many nations have laws offering protection to these species, such as forbidding hunting, restricting land development or creating ___

• agencies

• reserves

• awareness

• challenges

___ is the existence of a wide variety of plant and animal species living in their natural environment

• Biodiversity

• Conservation

• Globe

• Individual

I am late because my alarm clock didn't ___ this morning

• go over

• go out

• go off

• go on

My uncle took ___ golf when he retired from work

• on

• after

• up

• over