TMSCA #14

Front

What is a precipitate?

Back

An insoluble solid formed when there is a change in a solution, often due to a chemical reaction or a temperature change that decreases the solubility of a solid.

Front

How many chromosomes do humans normally have?

Back

46 chromosomes.

Front

What part of the cell is like the boss’s office in a factory?

Back

Nucleus.

Front

What is an indicator species?

Back

A species that defines a trait of the environment, including environmental conditions such as pollution or a disease outbreak.

Front

Why might a graph of species numbers show a crooked line?

Back

There is not enough space on the page to display the entire graph because the number of insects is so large.

Front

What is the function of the nucleus in a cell?

Back

It acts as the control center, regulating gene expression and maintaining the integrity of DNA.

Front

What is the role of mitochondria in a cell?

Back

They are known as the powerhouse of the cell, generating ATP through cellular respiration.

Front

What is a keystone species?

Back

A species that has a disproportionately large effect on its environment relative to its abundance.

Front

What is the difference between invasive species and native species?

Back

Invasive species are non-native organisms that disrupt local ecosystems, while native species are those that naturally occur in a specific area.

Front

What is the significance of biodiversity?

Back

Biodiversity contributes to ecosystem resilience, providing a wider range of resources and stability.