Alleles, or genes i think
They do not produce gametes so they cannot reproduce sexually. They need to reproduce asexually. There are numerous asexual reproduction types. Some include: binary fission and budding
Answer;
D. Most of the energy from photosynthesis flows out as heat
Explanation;
Energy flow is the amount of energy that moves through a food chain in a given ecosystem.
Producers such as green plants in a ecosystem convert energy from the the sun into carbon bonds, such as those found in the sugar glucose through the process of photosynthesis.
The amount of chemical energy storied as nutrients in the bodies and wastes of organisms flows through ecosystems from one trophic level to the next and through this flow energy also is lost as heat. And the chemical energy available to the succeeding feeding level decreases.
Plants help the environment (and us!) in many different ways:
plants make food
plants make oxygen
plants provide habitats for animals
plants help make and preserve soil
plants provide useful products for people
plants beautify
:) HOPE I HELPED;)