Coordinating Conjunction

_____ with their surroundings, or they hide in crevices for protection.

• Lobsters

• Lobsters blend

• Lobsters blending

• Because lobsters blend

A car has several sections with moving parts, _____ of those parts is essential.

• good lubrication

• well lubricated

• and good lubrication

• and well lubricated

_____ at the Isthmus of Panama, so animals were able to migrate between North and South America.

• A land bridge existed

• When a land bridge existed

• A land bridge

• With a land bridge Isthamus

An optical microscope magnifies as much as 2,000 times, but an electron microscope _____ as much as a million times.

• magnifying

• it magnifies

• can magnify

• magnify it

The president of the United States appoints the cabinet members, _____ appointments are subject to Senate approval.

• their

• with their

• with their

• but their

Case studies are the target of much skepticism in the scientific community, _____ used extensively by numerous researchers.

• they are

• are

• yet they

• yet they are

Many species of birds migrate seasonally, _____ they find suitable climates for breeding.

• and

• but

• because

• so

Many animals adapt to their environments, _____ they can survive in diverse habitats.

• because

• and

• so

• but

Research studies often face criticism, _____ they provide valuable insights into various phenomena.

• yet they are

• they do

• are

• yet they

In ecosystems, predators play a crucial role, _____ they help maintain the balance of species.

• and

• so

• but

• because