Middle school biology - NGSS
Organism growth and the environment
Genetic factors as well as local conditions affect the growth of an adult plant. The growth of an animal is controlled by genetic factors, food intake, and interactions with other organisms, and each species has a typical adult size range. Created by Khan Academy.
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- what is a plant(7 votes)
- Plants are predominantly photosynthetic eukaryotes of the kingdom Plantae. Historically, the plant kingdom encompassed all living things that were not animals, and included algae and fungi; however, all current definitions of Plantae exclude the fungi and some algae, as well as the prokaryotes.(6 votes)
- I have noticed dandelions in a more warmer area, why is this? (It's not necessarily tropical, but it's comparatively closer to the center of Earth)(7 votes)
- They grow better in warmer climates like some trees do well in cold climates but it can't be too warm otherwise they don't grow too well. some plants just grow in warmer or colder climates, and the teacher said that Dandelions grow better in certain climates depending on how warm it is, how much sun it gets and how much water it gets. We have had lots of cloudy days and lots of water so dandelions in the yard died and new plants grew in their place.(7 votes)
- this isn't really relevant but why is her art so good😭(6 votes)
- yr just not a human thats whu(1 vote)
- plants are so much like us. for example if you git a cut the blued would turn in to a scab same as with plants🌱(3 votes)
- no it would not turn in to a scab on a plant(4 votes)
- Is the color orange named after the fruit orange because oranges are orange or the fruit orange is named after the color orange because the color orange has the same color of oranges?(3 votes)
- The orange came first, according to google(3 votes)
- Dandelions dont need brains, they have curious 5year olds that want to wave around the fun pom pom plant.(4 votes)
- It gets a lot of light and water or their are all livening organisms(4 votes)
- a plant is something that uses a seed to grow and turns carbon into air and we need to be sure we stop cutting trees and dont kill any plants or so flower or our life shall go to extionshon(3 votes)
- how do humans reproduce?(3 votes)
- Sexual Reproduction(3 votes)
- i have been seeing a few dandelions in my yard, but its november. It has been a very warm season, I am wondering if this is this a symptom of global warming... or if im just being paranoid... please, if anyone is a climate scientist please tell me!(3 votes)
- This has nothing to do with climate change, that is just paranoid.(1 vote)
- [Instructor] Hey, have you ever seen this kind of plant before? It's called a dandelion. If you live in a tropical climate, it might be unfamiliar, but if you live in a more temperate zone, you'll probably recognize it as it's a very common plant. Dandelions make yellow flowers that develop into balls of these fluffy white seed heads that fly off the plant. This can happen by a gust of wind, by animals spreading them, or even by someone blowing on the plant. When this happens, it seeds fly into the air and land on new spots on the ground. From there, the seeds can grow into new dandelions, starting the whole cycle over. But why do dandelions do this? Why do they turn into puff balls? Why are they yellow? If they don't have brains, how do they seem to know when to release their seeds? These are all complicated questions. But to begin answering them, we can talk about what influences the growth and development of dandelions and in turn all living things. So what determines how a dandelion will grow? Its genes and its environment. Let's take a moment to review what genes are. Genes make up the hereditary material inside an organism cells. Genes provide the information about what traits an organism has. So the reason that our dandelion has yellow pedals and develops fluffy white seed heads lies within its genes. Any influence genes have on the way an organism grows is called a genetic factor. So if one dandelion has more seeds than another as a result of which version of a certain gene it has, we can say that the difference in seed number is due to a genetic factor. The other major influence on how a dandelion grows is its environment. But what makes up an organism's environment? The environment is the set of conditions an organism is exposed to during its life. For a dandelion, this includes temperature, how much light and water it gets, and which nutrients are present in the soil where it grows. Any influence the environment has on an organism's growth is called an environmental factor. So if one dandelion plant is exposed to more sunlight than another and grows bigger, as a result, we can say that the difference is due to an environmental factor. But plants aren't the only living organisms that are motivated by these factors. Animals are also influenced by their genes and environment. For example, let's look at dogs. Dogs come in many different shapes, sizes, colors, and each have their own unique features. We can see this when looking at different breeds, like pugs which are small with squishy faces, and golden retrievers, which are large with flowing locks of golden fur. These traits are largely determined by which genes each breed of dog has, or in other words, by genetic factors. But dogs are also influenced by environmental factors too. For instance, how much food they get as they grow helps determine their size, and what they learn from other dogs, and from people help determine their behaviors. Like when you teach your dog a new trick. And now you know how organisms are influenced by genetics and their environment when it comes to growth and development. Let's do a quick review of what you've learned today. First, there are two main factors that influence an organism's growth, these are genetic and environmental factors. Genetic factors are the genes the organism gets from its parent or parents. While environmental factors are the conditions and organism is exposed to as it grows. These factors show that all living organisms have a couple things in common even dogs and dandelions. So while our interactions with them may differ like how you can't teach a dandelion to sit like you can with a dog, both organisms experience growth and development through their own unique genes and environments.