What are two harmful effects on aquatic systems resulting from the increase in the human population in coastal areas?

What would happen to the ecosystem when a keystone species, such as a wolf, is removed from the population entirely?

How does crossing over, the distribution of random mixes of homologous chromosomes into gametes, and fertilization all contribute to variation in the traits of offspring?

Within the alarm clock seen here, energy is transformed. It is time to get up! The alarm clock goes off.

Which one of the following represents quantitative data? a) whether an endangered California condor successfully raises a condor chick b) offspring gender c) whether you play a college sport d) levels of nitrate pollution in local waterways

We interviewed 3 students about what they thought were the reasons for the change in Guppy population and this is what they said: ● Norise says the change in the guppy population was caused by a mutation.

Explain how conservation efforts have positively impacted ecosystems.

The Barringer crater in Arizona contains a mineral, stishovite, only known to form under intense pressures caused by a high-speed impact. Which event most likely formed the Barringer crater?

When stress continues over long periods of time it is known as?

Which instruments do volcanologist use to predict volcanic eruptions?

How do gases enter and exit a plant?