Answer:
Population density is the number of individuals per unit geographic area, for example, number per square meter, per hectare, or per square kilometer.
Explanation:
<span><span>a. </span>Reproducing</span>
d.
maintaining structure
f. obtaining
energy
These three
traits definitely standout as a challenge for every living creature in the ecosystem.
In Darwin’s Natural Selection Survival of the fittest: being fit is one
category in order to survive the wild, in other words, being flexible. Reproduction
is battle royale in both humans and animals, even for plants too. Why? Because
the ecosystem changes, the weather changes, the food chain is a combat to chase.
Some can’t even reproduce due to hereditary or physical causes. Energy is as
important as living. If plants can make their own food how about the carnivores
and the omnivores. Food is a challenge. Structure is sustaining the capacity
and ability to hunt and survive. Important and a by-product of obtaining
energy.
Answer:
Producers like plants get their energy from the sun. Consumers get energy from eating producers or other consumers.
Explanation:
Answer:
There are some organisms which are not classified in plants and animals kingdom because there are some animals which has the characteristics of both plants and animals. For example, a specific organism make their own food like plants and also move from one place to another like animals.
Characteristics of kingdom protists :
1) They are made of one cell.
2) They are eukaryotic cell.
3) Some are autotrophic and some are heterotrophic organisms.
<span>Bipedalism is the adaptation which emerged during pre-australopiths so as to become one of the key distinguishing characteristics of our ancestors.
Bipedalism is known as a form of terrestrial locomotion whereby organisms moves by means of its two rear legs or limbs. By freeing their front legs, our ancestors had a benefit like allowing the use of carrying tools.
Walking upright helped the ancestors to be able to see the predators and the preys.</span>