Answer: There are certain physical and internal aspects of living organism that is used for the classification of animals.
Explanation: The characteristics that define an organism to be classified as animal are:-
- Segmentation that defines the segments on the bodies of the animals which are of different kind
- Whether the animal is in the category of chordata or non-chordata
- Presence of embryo stage and number of tissue layers that are getting formed while the organism is developing
- There are most chances of sexual reproduction.
Answer:
Dampak negatif manusia terhadap lingkungan adalah:
Kelebihan penduduk, polusi, pembakaran bahan bakar fosil, dan penggundulan hutan. Perubahan seperti ini telah memicu perubahan iklim, erosi tanah, kualitas udara yang buruk, dan air yang tidak dapat diminum.
Dampak positif manusia terhadap lingkungan adalah:
Melindungi spesies yang terancam punah dan membersihkan danau dan laut memiliki efek positif terhadap lingkungan. Di rumah, Anda dapat membantu planet ini dengan mendaur ulang limbah dan menanam tanaman atau sayuran.
What does the diagram represent here? I am having trouble understanding
Answer:
c. CNS
Explanation:
The Central Nervous System (CNS) is responsible for receiving and transmitting information throughout the body. We can define it with the command center that coordinates the activities of the body. It consists of the brain and spinal cord, which are protected by the skull and spine respectively.
Both structures are reinforced by three connective blades, called meninges. They are: dura mater, arachnoid and pia mater. Between the last two there is a fluid that is responsible for the nutrition of the CNS and the minimization of possible trauma caused by mechanical shocks.
hyperextension.
Hyperextension is a extension of a limb, a joint or part of the body beyond the normal limit.This can be a good exercise that works the lower back, the mid and upper back, specifically the erector spinae that suport our spine.
Basically, this range of motion is how far in each direction that joint can bend comfortably.
