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  1. directly hunting, which can cause extinction
  2. directly disrupting habitats
  3. introducing exotic species to new habitats
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List and describe three ways that human can change ecosystems and three ways that humans can help protect ecosystems?

Humans can change ecosystems through deforestation, which removes trees and disrupts habitats; pollution, which contaminates air, water, and soil, harming wildlife; and urbanization, which alters land use and fragments habitats. To protect ecosystems, humans can implement conservation efforts, such as establishing protected areas to safeguard biodiversity; promote sustainable practices, like responsible farming and fishing, to minimize environmental impact; and restore degraded habitats through reforestation and habitat rehabilitation initiatives.


Has pollution altered living things?

Yes, pollution has significantly altered living things in various ways. It can lead to genetic mutations, reproductive issues, and reduced populations of species. Pollution can also impact ecosystems and food chains, affecting the overall biodiversity and health of the environment.


What are three ways sedimentary rock forms?

Three main ways and are classified accordingly. Igneous rocks form from molten material called magma.


What are 4 ways that humans affect aquatic ecosystems?

Humans impact aquatic ecosystems through pollution, such as runoff from agriculture and industry that introduces harmful chemicals and nutrients, leading to issues like eutrophication. Overfishing depletes fish populations and disrupts food webs, while habitat destruction, such as dam construction and coastal development, alters natural environments. Additionally, climate change contributes to rising water temperatures and altered salinity, further stressing aquatic habitats and species.


What are three ways organisms complete in the marine ecosystems?

Organisms in marine ecosystems compete for resources in several ways. Firstly, they compete for food, with predators and herbivores vying for limited prey and plant resources. Secondly, they compete for space, particularly in densely populated environments like coral reefs, where access to surface area can determine survival and reproduction. Lastly, organisms may compete for mates, with various species employing elaborate displays or behaviors to attract partners and ensure reproductive success.