What are the top 5 impacts humans are having on the Earth’s ecosystems? (5 marks)
1. overpopulation
2.pollution
3.burning fossil fuels
4.deforestation
5.climate change
What are the top 5 impacts humans are having on the Earth’s ecosystems? (5 marks)
a) What factors are implicated in the near extinction of the bald eagle? b) What impacts have human-invented antibiotics had on bacteria? c) Given the impact of humans on the Earth's ecosystems, speculate on the future of Homo sapiens?
What is the topographic feature that marks where the seabed is being subducted into the Earth’s Mantle?
1. Over what proportion of the earth’s history were there only single-celled living organisms? ______ 2. Over what proportion of the earth’s history have multi-celled organisms existed? ______ 3. Over what proportion of the earth’s history have mammals been a dominant part of the fauna? ____ 4. Over what proportion of the earth’s history have modern humans existed? ______
In humans, having dimples (D) is dominant to not having dimples (d). What is the genotype of an individual who is heterozygous for dimples? QUESTION 4 O dd Dd DI DD
Ecology is the study of the relationships between living organisms, including humans, and their physical environment; it seeks to understand the vital connections between plants and animals and the world around them. Ecology also provides information about the benefits of ecosystems and how we can use Earth’s resources in ways that leave the environment healthy for future generations.(Ecological Society of America Website) Q1. Recent fires have devastated large parts of California. What are some ecological interactions that may have contributed...
what are the impacts of droughts in east Africa on the: 1) economy: 2) agriculture: 3) environment: 4) humans: 5) water sources:
1. While technology changes quickly, do you feel it impacts how humans grow in their world? Does the increase in technology and thereby increase in exposure to information impact how individuals react with and interact with the world around them? 2.What do you think is an world change that has moved slow in some places and fast in others.
In humans, freckles (F) is dominant to no freckles (f). What is the probability of having a child with freckles from a monohybrid cross? O 3/4 or 75% O 1/4 or 25% O 0% O 1/2 or 50% In humans, brown eyes (B) is dominant to blue eyes (b). If a homozygous brown-eyed female and a blue-eyed male have a child, what is the probability the child will have blue eyes? O 3/4 or 75% O 0% O 1/2 or...
6. In humans, having a widow’s peak (W) is dominant to not having a widow’s peak (w). Sally has a widow’s peak. If Sally has a son who does not have a widow’s peak, what genotype can the father NOT be? 7. The ability to roll the tongue inward in humans is determined by the dominant gene T. From a couple both able to roll the tongue, a child is born. The child is unable to roll the tongue. What...
Why are cities not randomly located? What features (globally) do humans tend to build cities near to? What ecosystems do you think would be most heavily affected (globally) by urban development.