<h3>Answer:
</h3><h3>
</h3><h3>
</h3><h3>✧・゚: *✧・゚:* *:・゚✧*:・゚✧
</h3><h3>
</h3><h3> </h3><h3>
</h3><h3>✅ O 50%
</h3><h3>
</h3><h3>
</h3><h3>
</h3><h3>~ ₕₒₚₑ ₜₕᵢₛ ₕₑₗₚₛ! :₎ ♡
</h3><h3>
</h3><h3>
</h3><h3>~ </h3>
They need it to surviveeeee
3. Also called the lock and key hypothesis