Mesosaurus
They have been not able to spread easily across land because it better adapted the environment and stayed there in water.
<h3>What are Mesosaurus ?</h3>
These creatures were ancient lizards that looked a bit like small crocodiles, with narrow heads and long tails. They had webbed feet and grew to about 1 meter long
- The Mesosaurus might have gone extinct by the end of the Early Permian period. As their fossils were discovered on both sides of the Atlantic Ocean, the species must have become extinct due to continental drift.
- They propelled themselves by mianly moving the large fin on their tail in a side to side motion. Mosasaurs were also covered in smooth scales which were very dark in color.
Learn more about Mesosaurus here:
brainly.com/question/9647452
#SPJ4
Answer:
1- It's often impossible to repeat trials on the same subjects. 2-Subjects may report an inaccurate medical history. 3-It can be difficult to control all possible variables. 4-It's impossible to come up with testable scientific questions for human subjects.
Explanation:
i hope this helps u
⋆ ˚。⋆୨୧˚ ˚୨୧⋆。˚ ⋆Answer:⋆ ˚。⋆୨୧˚ ˚୨୧⋆。˚ ⋆
Resources.
⋆ ˚。⋆୨୧˚ ˚୨୧⋆。˚ ⋆Explanation:⋆ ˚。⋆୨୧˚ ˚୨୧⋆。˚ ⋆
Resources such as food, water, light, space, shelter and access to mates are all limiting factors. If an organism, group or population does not have enough resources to sustain it, individuals will die through starvation, desiccation and stress, or they will fail to produce offspring.
This is supposed to be in the science section