I think the answer is D. Circulatory because this system helps to get the absorbed nutrients throughout the whole body
The correct answer is d. 3.5 billion years.
Prokaryotes were the first forms of life on Earth long before simple multicellular life appeared because of their ability to withstand extreme conditions. It is believed that the first living forms were bacteria combined with archaea in the microbial mat (multi-layered sheet).
The dichotomous key used to identify the antelopes might be based on the presence/absence of certain muscles, weight, etc.
<h3>What is a dichotomous key?</h3>
A dichotomous key is a system to classify species and/or taxonomic groups by using two different choices.
For example, the presence/absence of certain physical features can be used to identify the antelopes.
Moreover, the threshold in certain features such as weight/height can also be used to classify species.
Learn more about dichotomous keys here:
brainly.com/question/10606660
Sedimentary rock can become metamorphic rock under intense heat and
pressure. The heat and pressure do not change the rock's chemical
composition, but do change its physical properties like hardness,
texture, and structure.
Hope this helps
Answer:
Pink Striped flowers
Explanation:
Incomplete traits result in a "mixing" of 2 traits. So with a Rr individual, there will be pink striped flowers.